Core Ultra 9 285H vs Ryzen 9 7945HX: specs and benchmark comparison
Short verdict
AMD Ryzen 9 7945HX leads in every scenario with comparable benchmarks: multi-thread performance. This does not imply an advantage in tasks without benchmarks.
Compare with AIMulti-thread performance
B +118.6%AMD Ryzen 9 7945HX leads in this scenario (up to 118.6% in comparable benchmarks).
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 9 285H is better2
Official memory speed 1,200 MT/s more6,400 MT/s vs 5,200 MT/s
Max memory capacity 64 GB more128 GB vs 64 GB
Where Ryzen 9 7945HX is better3
Blender Benchmark 4.5.0 118.6% faster493 samples/min vs 226 samples/min
Threads 16 more32 vs 16
L3 cache 40 MB more64 MB vs 24 MB
Benchmarks
Results are compared within one benchmark, one version and the same conditions. Laptop chip results depend on the laptop model: its maker sets the power limit and cooling.
- B ahead by 118.6%
Blender Benchmark 4.5.0
CPU, sum of scenes monster + junkshop + classroom · samples/min, higher is better
Core Ultra 9 285H225.8 samples/minRyzen 9 7945HX493.5 samples/minPosition among tested models (89)
A · 226B · 4930200400600800Each dot is one model’s median in this benchmark. The scale starts at zero, samples/min. AMD Ryzen 9 7945HX is ahead by 118.6% in this benchmark.
About the measurement and source
- A · Intel Core Ultra 9 285H
225.8 samples/min · community measurement, sample 54 · November 15, 2026
Blender Open Data (Blender Foundation)
Median of 54 submissions (0 outliers excluded), interquartile range 185.31–258.91; submissions 2025-07-18 to 2026-03-04; CPU backend. Snapshot 2026-11-15.
- B · AMD Ryzen 9 7945HX
493.5 samples/min · community measurement, sample 51 · November 15, 2026
Blender Open Data (Blender Foundation)
Median of 51 submissions (3 outliers excluded), interquartile range 453.05–558.01; submissions 2025-07-19 to 2026-03-07; CPU backend. Snapshot 2026-11-15.
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.
Reference results (13)
| Benchmark | A | B | Difference |
|---|---|---|---|
| Blender Benchmark 4.2.0CPU, sum of scenes monster + junkshop + classroom | 222.6 | 443.1 | reference |
| Blender Benchmark 5.1.1CPU, sum of scenes monster + junkshop + classroom | 270.1 | 521.7 | reference |
| Blender Benchmark 5.2.0CPU, sum of scenes monster + junkshop + classroom | 250.8 | 473.9 | reference |
| Blender Benchmark 4.3.0CPU, sum of scenes monster + junkshop + classroom | 224.8 | 465.5 | reference |
| Blender Benchmark 4.4.0CPU, sum of scenes monster + junkshop + classroom | 256.9 | 477.2 | reference |
| Blender Benchmark 5.0.0CPU, sum of scenes monster + junkshop + classroom | 240.1 | 211.8 | reference |
| Blender Benchmark 5.1.0CPU, sum of scenes monster + junkshop + classroom | 232 | 552.5 | reference |
| Blender Benchmark 5.3.0CPU, sum of scenes monster + junkshop + classroom | 142.3 | — | no pair |
| Blender Benchmark 3.4.0CPU, sum of scenes monster + junkshop + classroom | — | 521.6 | no pair |
| Blender Benchmark 3.5.0CPU, sum of scenes monster + junkshop + classroom | — | 500.5 | no pair |
| Blender Benchmark 3.6.0CPU, sum of scenes monster + junkshop + classroom | — | 475.7 | no pair |
| Blender Benchmark 4.0.0CPU, sum of scenes monster + junkshop + classroom | — | 455.9 | no pair |
| Blender Benchmark 4.1.0CPU, sum of scenes monster + junkshop + classroom | — | 481.1 | no pair |
Each benchmark version has its own scale: numbers are compared only within a row.
Specifications
Chip maker values. The laptop maker sets the power limit and clocks in each laptop.
| Specification | A · Core Ultra 9 285H | B · Ryzen 9 7945HX | Difference |
|---|---|---|---|
| Cores and clocks | |||
| CoresCores of different types may differ in performance. | 16 (6P + 10E) | 16 | equal |
| Threads | 16 | 32 | B: 16 more |
| Base clockFor hybrid Intel CPUs, the P-core base clock is shown. | 2.9 GHz | 2.5 GHz | A: 0.4 GHz more |
| Max clock (Boost/Turbo) | 5.4 GHz | 5.4 GHz | equal |
| Cache | |||
| L1 cache | no data | 1,024 KB | no data for A |
| L2 cache | no data | 16 MB | no data for A |
| L3 cache | 24 MB | 64 MB | B: 40 MB more |
| Platform | |||
| Socket | FCBGA2049 | FL1 | differs |
| Process node | no data | TSMC 5 nm FinFET | no data for A |
| Memory and interfaces | |||
| Memory type | DDR5, LPDDR5/x | DDR5 | differs |
| Memory channels | 2 | 2 | equal |
| Official memory speedFor controllers that support two generations, the speed for the newer memory type is shown. | 6,400 MT/s | 5,200 MT/s | A: 1,200 MT/s more |
| Max memory capacity | 128 GB | 64 GB | A: 64 GB more |
| PCI Express | PCIe 5.0 and 4.0, 28 lanes | PCIe 5.0 | differs |
| Integrated graphics | Intel Arc 140T GPU | AMD Radeon 610M | 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 | 55 W (configurable: 55–75 W) | no data for A |
| Processor Base Power (Intel) | 45 W | no data | no data for B |
| Maximum Turbo Power (Intel) | 115 W | no data | no data for B |
| Minimum Assured Power (Intel)The lower bound to which the laptop maker can reduce the CPU’s base power. | 35 W | no data | no data for B |
Cores and clocks
Cores
A16 (6P + 10E)
B16
equalCores of different types may differ in performance.
Threads
A16
B32
B: 16 moreBase clock
A2.9 GHz
B2.5 GHz
A: 0.4 GHz moreFor hybrid Intel CPUs, the P-core base clock is shown.
Max clock (Boost/Turbo)
A5.4 GHz
B5.4 GHz
equal
Cache
L1 cache
Ano data
B1,024 KB
no data for AL2 cache
Ano data
B16 MB
no data for AL3 cache
A24 MB
B64 MB
B: 40 MB more
Platform
Socket
AFCBGA2049
BFL1
differsProcess node
Ano data
BTSMC 5 nm FinFET
no data for A
Memory and interfaces
Memory type
ADDR5, LPDDR5/x
BDDR5
differsMemory channels
A2
B2
equalOfficial memory speed
A6,400 MT/s
B5,200 MT/s
A: 1,200 MT/s moreFor controllers that support two generations, the speed for the newer memory type is shown.
Max memory capacity
A128 GB
B64 GB
A: 64 GB morePCI Express
APCIe 5.0 and 4.0, 28 lanes
BPCIe 5.0
differsIntegrated graphics
AIntel Arc 140T GPU
BAMD Radeon 610M
differs
Power
TDP (AMD method)
Ano data
B55 W (configurable: 55–75 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)
A45 W
Bno data
no data for BMaximum Turbo Power (Intel)
A115 W
Bno data
no data for BMinimum Assured Power (Intel)
A35 W
Bno data
no data for BThe lower bound to which the laptop maker can reduce the CPU’s base power.
“More” does not always mean “better”: higher power draw or size is a system requirement, not an advantage (such bars are dimmed).
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 9 285H and AMD Ryzen 9 7945HX fit the same motherboard?
No: Intel Core Ultra 9 285H uses FCBGA2049, while AMD Ryzen 9 7945HX uses FL1.
How many cores and threads do Intel Core Ultra 9 285H and AMD Ryzen 9 7945HX have?
Intel Core Ultra 9 285H: 16 cores / 16 threads. AMD Ryzen 9 7945HX: 16 cores / 32 threads (manufacturer data).
Do these CPUs have integrated graphics?
Intel Core Ultra 9 285H: Intel Arc 140T GPU. AMD Ryzen 9 7945HX: AMD Radeon 610M.
Which is faster: Intel Core Ultra 9 285H or AMD Ryzen 9 7945HX?
AMD Ryzen 9 7945HX leads in every scenario with comparable benchmarks: multi-thread performance. This does not imply an advantage in tasks without benchmarks.
See also
Data sources (3)
- Intel — specifications of Intel Core Ultra 9 285Hchecked November 7, 2026
- AMD — specifications of AMD Ryzen 9 7945HXchecked November 7, 2026
- Blender Open Data (Blender Foundation) — 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 5.3.0, 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
How we compare: methodology. Where the data comes from: sources.