Core Ultra 5 245K vs Ryzen 9 5900X: specs and benchmark comparison
AIntel · Arrow Lake
Intel Core Ultra 5 245K
- 14 cores / 14 threads
- up to 5.2 GHz
- LGA1851
October 24, 2024 · $309 at launch
Multi-thread performance
depends on the taskBenchmark results disagree, so the choice depends on the specific task.
No comparable benchmarks yet: single-thread performance, gaming (cpu-bound scenarios), power efficiency.
Advantages
Only measured and rated values: a noticeable benchmark gap and specs where more is better.
Where Core Ultra 5 245K is better5
Blender Benchmark 4.5.0 5% faster321 samples/min vs 306 samples/min
Cores 2 more14 (6P + 8E) vs 12
L2 cache 20 MB more26 MB vs 6 MB
Official memory speed 3,200 MT/s more6,400 MT/s vs 3,200 MT/s
Launch price $240 lower$309 vs $549
Where Ryzen 9 5900X is better2
Threads 10 more24 vs 14
L3 cache 40 MB more64 MB vs 24 MB
Benchmarks
Results are compared within one benchmark, one version and the same conditions.
- A ahead by 5%
Blender Benchmark 4.5.0
CPU, sum of scenes monster + junkshop + classroom · samples/min, higher is better
Core Ultra 5 245K321.4 samples/minRyzen 9 5900X306.2 samples/minPosition among tested models (89)
B · 306A · 3210200400600800Each dot is one model’s median in this benchmark. The scale starts at zero, samples/min. Intel Core Ultra 5 245K is ahead by 5% in this benchmark.
About the measurement and source
- A · Intel Core Ultra 5 245K
321.4 samples/min · community measurement, sample 22 · November 14, 2026
Blender Open Data (Blender Foundation)
Median of 22 submissions (3 outliers excluded), interquartile range 310.8–336.58; submissions 2025-07-18 to 2026-03-20; CPU backend. Snapshot 2026-11-14.
- B · AMD Ryzen 9 5900X
306.2 samples/min · community measurement, sample 288 · November 14, 2026
Blender Open Data (Blender Foundation)
Median of 288 submissions (11 outliers excluded), interquartile range 291.15–327.4; submissions 2025-07-17 to 2026-06-23; CPU backend. Snapshot 2026-11-14.
difference = |A − B| ÷ the smaller value × 100%. The 5% noticeable threshold is a UX heuristic, not statistical significance.
Cycles render in Blender Benchmark. Median of the sum of samples per minute over three scenes after removing outliers.
Other comparable benchmarks (1)
| Benchmark | A | B | Difference |
|---|---|---|---|
| Blender Benchmark 5.2.0CPU, sum of scenes monster + junkshop + classroom | 271.6 | 316.8 | B +16.7% |
Each benchmark version has its own scale: numbers are compared only within a row.
Reference results (30)
| Benchmark | A | B | Difference |
|---|---|---|---|
| Blender Benchmark 4.2.0CPU, sum of scenes monster + junkshop + classroom | 322.2 | 289 | reference |
| Blender Benchmark 5.1.1CPU, sum of scenes monster + junkshop + classroom | 356 | 324.8 | reference |
| Blender Benchmark 4.3.0CPU, sum of scenes monster + junkshop + classroom | 311.7 | 284.3 | reference |
| Blender Benchmark 4.4.0CPU, sum of scenes monster + junkshop + classroom | 315.8 | 293.5 | reference |
| Blender Benchmark 5.0.0CPU, sum of scenes monster + junkshop + classroom | 316.9 | 279.7 | reference |
| Blender Benchmark 5.1.0CPU, sum of scenes monster + junkshop + classroom | 362.7 | 332.9 | reference |
| Blender Benchmark 2.81CPU, bmw27 (CPU) | — | 108.9 | no pair |
| Blender Benchmark 2.83CPU, bmw27 (CPU) | — | 96.2 | no pair |
| Blender Benchmark 2.90CPU, bmw27 (CPU) | — | 117.3 | no pair |
| Blender Benchmark 2.81CPU, classroom (CPU) | — | 326.1 | no pair |
| Blender Benchmark 2.83CPU, classroom (CPU) | — | 276.4 | no pair |
| Blender Benchmark 2.90CPU, classroom (CPU) | — | 298.4 | no pair |
| Blender Benchmark 2.83CPU, fishy_cat (CPU) | — | 136.5 | no pair |
| Blender Benchmark 2.90CPU, fishy_cat (CPU) | — | 148.4 | no pair |
| Blender Benchmark 2.83CPU, koro (CPU) | — | 194.5 | no pair |
| Blender Benchmark 2.90CPU, koro (CPU) | — | 229.3 | no pair |
| Blender Benchmark 2.83CPU, pavillon_barcelona (CPU) | — | 298.1 | no pair |
| Blender Benchmark 2.90CPU, pavillon_barcelona (CPU) | — | 309.7 | no pair |
| Blender Benchmark 2.83CPU, victor (CPU) | — | 529.6 | no pair |
| Blender Benchmark 2.90CPU, victor (CPU) | — | 496.1 | no pair |
| Blender Benchmark 3.0.1CPU, sum of scenes monster + junkshop + classroom | — | 347.6 | no pair |
| Blender Benchmark 3.1.0CPU, sum of scenes monster + junkshop + classroom | — | 321.1 | no pair |
| Blender Benchmark 3.2.0CPU, sum of scenes monster + junkshop + classroom | — | 319.8 | no pair |
| Blender Benchmark 3.2.1CPU, sum of scenes monster + junkshop + classroom | — | 318.8 | no pair |
| Blender Benchmark 3.3.0CPU, sum of scenes monster + junkshop + classroom | — | 332.6 | no pair |
| Blender Benchmark 3.4.0CPU, sum of scenes monster + junkshop + classroom | — | 319.9 | no pair |
| Blender Benchmark 3.5.0CPU, sum of scenes monster + junkshop + classroom | — | 311.4 | no pair |
| Blender Benchmark 3.6.0CPU, sum of scenes monster + junkshop + classroom | — | 310.6 | no pair |
| Blender Benchmark 4.0.0CPU, sum of scenes monster + junkshop + classroom | — | 301.6 | no pair |
| Blender Benchmark 4.1.0CPU, sum of scenes monster + junkshop + classroom | — | 294.8 | no pair |
Each benchmark version has its own scale: numbers are compared only within a row.
Specifications
| Specification | A · Core Ultra 5 245K | B · Ryzen 9 5900X | Difference |
|---|---|---|---|
| Cores and clocks | |||
| CoresCores of different types may differ in performance. | 14 (6P + 8E) | 12 | A: 2 more |
| Threads | 14 | 24 | B: 10 more |
| Base clockFor hybrid Intel CPUs, the P-core base clock is shown. | 4.2 GHz | 3.7 GHz | A: 0.5 GHz more |
| Max clock (Boost/Turbo) | 5.2 GHz | 4.8 GHz | A: 0.4 GHz more |
| Unlocked multiplier | no data | yes | no data for A |
| Cache | |||
| L2 cache | 26 MB | 6 MB | A: 20 MB more |
| L3 cache | 24 MB | 64 MB | B: 40 MB more |
| Platform | |||
| Socket | LGA1851 | AM4 | differs |
| Process node | no data | TSMC 7 nm FinFET | no data for A |
| Memory and interfaces | |||
| Memory type | DDR5 | DDR4 | differs |
| Memory channels | 2 | no data | no data for B |
| Official memory speedFor controllers that support two generations, the speed for the newer memory type is shown. | 6,400 MT/s | 3,200 MT/s | A: 3,200 MT/s more |
| Max memory capacity | 256 GB | no data | no data for B |
| PCI Express | PCIe 5.0 and 4.0, 24 lanes | PCIe 4.0 | differs |
| Integrated graphics | Intel Graphics (4 Xe cores) | none | differs |
| Power | |||
| TDP (AMD method)AMD TDP, AMD PPT, Intel Base Power (PL1) and Max Turbo Power (PL2) are different metrics and are not compared with each other. For laptop CPUs, the laptop maker configures the TDP. | no data | 105 W | no data for A |
| Processor Base Power (Intel) | 125 W | no data | no data for B |
| Maximum Turbo Power (Intel) | 159 W | no data | no data for B |
Cores and clocks
Cores
A14 (6P + 8E)
B12
A: 2 moreCores of different types may differ in performance.
Threads
A14
B24
B: 10 moreBase clock
A4.2 GHz
B3.7 GHz
A: 0.5 GHz moreFor hybrid Intel CPUs, the P-core base clock is shown.
Max clock (Boost/Turbo)
A5.2 GHz
B4.8 GHz
A: 0.4 GHz moreUnlocked multiplier
Ano data
Byes
no data for A
Cache
L2 cache
A26 MB
B6 MB
A: 20 MB moreL3 cache
A24 MB
B64 MB
B: 40 MB more
Platform
Socket
ALGA1851
BAM4
differsProcess node
Ano data
BTSMC 7 nm FinFET
no data for A
Memory and interfaces
Memory type
ADDR5
BDDR4
differsMemory channels
A2
Bno data
no data for BOfficial memory speed
A6,400 MT/s
B3,200 MT/s
A: 3,200 MT/s moreFor controllers that support two generations, the speed for the newer memory type is shown.
Max memory capacity
A256 GB
Bno data
no data for BPCI Express
APCIe 5.0 and 4.0, 24 lanes
BPCIe 4.0
differsIntegrated graphics
AIntel Graphics (4 Xe cores)
Bnone
differs
Power
TDP (AMD method)
Ano data
B105 W
no data for AAMD TDP, AMD PPT, Intel Base Power (PL1) and Max Turbo Power (PL2) are different metrics and are not compared with each other. For laptop CPUs, the laptop maker configures the TDP.
Processor Base Power (Intel)
A125 W
Bno data
no data for BMaximum Turbo Power (Intel)
A159 W
Bno data
no data for B
“More” does not always mean “better”: higher power draw or size is a system requirement, not an advantage (such bars are dimmed).
Platform compatibility
Socket Incompatible
Intel Core Ultra 5 245K uses LGA1851, AMD Ryzen 9 5900X uses AM4. The CPUs are not interchangeable: switching requires a different motherboard.
Memory Incompatible
Intel Core Ultra 5 245K supports DDR5, AMD Ryzen 9 5900X supports DDR4. Memory modules cannot be reused.
Compare with AI
An AI model reviews the specs and benchmarks of this pair and gives a plain-language verdict on who each model suits.
Questions and answers
Do Intel Core Ultra 5 245K and AMD Ryzen 9 5900X fit the same motherboard?
No: Intel Core Ultra 5 245K uses LGA1851, while AMD Ryzen 9 5900X uses AM4.
How many cores and threads do Intel Core Ultra 5 245K and AMD Ryzen 9 5900X have?
Intel Core Ultra 5 245K: 14 cores / 14 threads. AMD Ryzen 9 5900X: 12 cores / 24 threads (manufacturer data).
Do these CPUs have integrated graphics?
Intel Core Ultra 5 245K: Intel Graphics (4 Xe cores). AMD Ryzen 9 5900X: no.
Which is faster: Intel Core Ultra 5 245K or AMD Ryzen 9 5900X?
It depends on the task: multi-thread performance: results disagree.
See also
Data sources (4)
- Intel — specifications of Intel Core Ultra 5 245Kchecked November 7, 2026
- AMD — specifications of AMD Ryzen 9 5900Xchecked November 7, 2026
- Blender Open Data (Blender Foundation) — benchmark Blender Benchmark 2.81, benchmark Blender Benchmark 2.83, benchmark Blender Benchmark 2.90, benchmark Blender Benchmark 4.2.0, benchmark Blender Benchmark 4.5.0, benchmark Blender Benchmark 5.1.1, benchmark Blender Benchmark 5.2.0, benchmark Blender Benchmark 4.3.0, benchmark Blender Benchmark 4.4.0, benchmark Blender Benchmark 5.0.0, benchmark Blender Benchmark 5.1.0, benchmark Blender Benchmark 3.0.1, benchmark Blender Benchmark 3.1.0, benchmark Blender Benchmark 3.2.0, benchmark Blender Benchmark 3.2.1, benchmark Blender Benchmark 3.3.0, benchmark Blender Benchmark 3.4.0, benchmark Blender Benchmark 3.5.0, benchmark Blender Benchmark 3.6.0, benchmark Blender Benchmark 4.0.0, benchmark Blender Benchmark 4.1.0checked November 14, 2026
- Wikipedia (English) — release date and launch pricechecked November 14, 2026
How we compare: methodology. Where the data comes from: sources.