Ryzen 9 7900X vs Ryzen 9 7950X: specs and benchmark comparison
AAMD · Zen 4
AMD Ryzen 9 7900X
- 12 cores / 24 threads
- up to 5.6 GHz
- AM5
September 27, 2022 · $549 at launch
BAMD · Zen 4
AMD Ryzen 9 7950X
- 16 cores / 32 threads
- up to 5.7 GHz
- AM5
September 27, 2022 · $699 at launch
Short verdict
AMD Ryzen 9 7950X 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 +42.4%AMD Ryzen 9 7950X leads in this scenario (up to 42.4% 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 Ryzen 9 7900X is better1
Launch price $150 lower$549 vs $699
Where Ryzen 9 7950X is better5
Blender Benchmark 4.5.0 34% faster551 samples/min vs 411 samples/min
Cores 4 more16 vs 12
Threads 8 more32 vs 24
L1 cache 256 KB more1,024 KB vs 768 KB
L2 cache 4 MB more16 MB vs 12 MB
Benchmarks
Results are compared within one benchmark, one version and the same conditions.
- B ahead by 34%
Blender Benchmark 4.5.0
CPU, sum of scenes monster + junkshop + classroom · samples/min, higher is better
Ryzen 9 7900X411.3 samples/minRyzen 9 7950X551.2 samples/minPosition among tested models (89)
A · 411B · 5510200400600800Each dot is one model’s median in this benchmark. The scale starts at zero, samples/min. AMD Ryzen 9 7950X is ahead by 34% in this benchmark.
About the measurement and source
- A · AMD Ryzen 9 7900X
411.3 samples/min · community measurement, sample 135 · November 14, 2026
Blender Open Data (Blender Foundation)
Median of 135 submissions (27 outliers excluded), interquartile range 400.86–423.11; submissions 2025-07-18 to 2026-05-04; CPU backend. Snapshot 2026-11-14.
- B · AMD Ryzen 9 7950X
551.2 samples/min · community measurement, sample 232 · November 14, 2026
Blender Open Data (Blender Foundation)
Median of 232 submissions (14 outliers excluded), interquartile range 529.77–587.25; submissions 2025-07-19 to 2026-03-08; 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 (12)
| Benchmark | A | B | Difference |
|---|---|---|---|
| Blender Benchmark 4.2.0CPU, sum of scenes monster + junkshop + classroom | 398.4 | 527.9 | B +32.5% |
| Blender Benchmark 5.1.1CPU, sum of scenes monster + junkshop + classroom | 411.1 | 585.5 | B +42.4% |
| Blender Benchmark 5.2.0CPU, sum of scenes monster + junkshop + classroom | 445.1 | 575.3 | B +29.3% |
| Blender Benchmark 3.3.0CPU, sum of scenes monster + junkshop + classroom | 458.3 | 619.7 | B +35.2% |
| Blender Benchmark 3.4.0CPU, sum of scenes monster + junkshop + classroom | 440.1 | 588.8 | B +33.8% |
| Blender Benchmark 3.5.0CPU, sum of scenes monster + junkshop + classroom | 428.1 | 566.9 | B +32.4% |
| Blender Benchmark 3.6.0CPU, sum of scenes monster + junkshop + classroom | 426.7 | 569.1 | B +33.4% |
| Blender Benchmark 4.0.0CPU, sum of scenes monster + junkshop + classroom | 413.6 | 550.1 | B +33% |
| Blender Benchmark 4.1.0CPU, sum of scenes monster + junkshop + classroom | 402.7 | 551.9 | B +37.1% |
| Blender Benchmark 4.3.0CPU, sum of scenes monster + junkshop + classroom | 392.3 | 522.4 | B +33.2% |
| Blender Benchmark 4.4.0CPU, sum of scenes monster + junkshop + classroom | 393.1 | 535 | B +36.1% |
| Blender Benchmark 5.1.0CPU, sum of scenes monster + junkshop + classroom | 422.7 | 588 | B +39.1% |
Each benchmark version has its own scale: numbers are compared only within a row.
Reference results (3)
| Benchmark | A | B | Difference |
|---|---|---|---|
| Blender Benchmark 3.2.1CPU, sum of scenes monster + junkshop + classroom | 446 | 576.1 | reference |
| Blender Benchmark 5.0.0CPU, sum of scenes monster + junkshop + classroom | — | 518 | no pair |
| Blender Benchmark 5.3.0CPU, sum of scenes monster + junkshop + classroom | — | 570.5 | no pair |
Each benchmark version has its own scale: numbers are compared only within a row.
Specifications
| Specification | A · Ryzen 9 7900X | B · Ryzen 9 7950X | Difference |
|---|---|---|---|
| Cores and clocks | |||
| CoresCores of different types may differ in performance. | 12 | 16 | B: 4 more |
| Threads | 24 | 32 | B: 8 more |
| Base clockFor hybrid Intel CPUs, the P-core base clock is shown. | 4.7 GHz | 4.5 GHz | A: 0.2 GHz more |
| Max clock (Boost/Turbo) | 5.6 GHz | 5.7 GHz | B: 0.1 GHz more |
| Unlocked multiplier | yes | yes | equal |
| Cache | |||
| L1 cache | 768 KB | 1,024 KB | B: 256 KB more |
| L2 cache | 12 MB | 16 MB | B: 4 MB more |
| L3 cache | 64 MB | 64 MB | equal |
| Platform | |||
| Socket | AM5 | AM5 | equal |
| Process node | TSMC 5 nm FinFET | TSMC 5 nm FinFET | equal |
| Memory and interfaces | |||
| Memory type | DDR5 | DDR5 | equal |
| Memory channels | 2 | 2 | equal |
| Official memory speedFor controllers that support two generations, the speed for the newer memory type is shown. | 5,200 MT/s | 5,200 MT/s | equal |
| Max memory capacity | 128 GB | 128 GB | equal |
| PCI Express | no data | PCIe 5.0, 24 lanes | no data for A |
| Integrated graphics | AMD Radeon Graphics (2 CU) | AMD Radeon Graphics (2 CU) | equal |
| 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. | 170 W | 170 W | equal |
Cores and clocks
Cores
A12
B16
B: 4 moreCores of different types may differ in performance.
Threads
A24
B32
B: 8 moreBase clock
A4.7 GHz
B4.5 GHz
A: 0.2 GHz moreFor hybrid Intel CPUs, the P-core base clock is shown.
Max clock (Boost/Turbo)
A5.6 GHz
B5.7 GHz
B: 0.1 GHz moreUnlocked multiplier
Ayes
Byes
equal
Cache
L1 cache
A768 KB
B1,024 KB
B: 256 KB moreL2 cache
A12 MB
B16 MB
B: 4 MB moreL3 cache
A64 MB
B64 MB
equal
Platform
Socket
AAM5
BAM5
equalProcess node
ATSMC 5 nm FinFET
BTSMC 5 nm FinFET
equal
Memory and interfaces
Memory type
ADDR5
BDDR5
equalMemory channels
A2
B2
equalOfficial memory speed
A5,200 MT/s
B5,200 MT/s
equalFor controllers that support two generations, the speed for the newer memory type is shown.
Max memory capacity
A128 GB
B128 GB
equalPCI Express
Ano data
BPCIe 5.0, 24 lanes
no data for AIntegrated graphics
AAMD Radeon Graphics (2 CU)
BAMD Radeon Graphics (2 CU)
equal
Power
TDP (AMD method)
A170 W
B170 W
equalAMD 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.
“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 and BIOS support Needs checking
Both models use AM5, but support on a specific motherboard depends on the chipset and BIOS version. Check the board maker’s CPU support list.
Memory Needs checking
Both controllers support DDR5. The motherboard determines the memory type, so check its specification.
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 AMD Ryzen 9 7900X and AMD Ryzen 9 7950X fit the same motherboard?
Both CPUs use the AM5 socket. Support on a specific board depends on the chipset and BIOS version, so check the board maker’s CPU support list.
How many cores and threads do AMD Ryzen 9 7900X and AMD Ryzen 9 7950X have?
AMD Ryzen 9 7900X: 12 cores / 24 threads. AMD Ryzen 9 7950X: 16 cores / 32 threads (manufacturer data).
Do these CPUs have integrated graphics?
AMD Ryzen 9 7900X: AMD Radeon Graphics (2 CU). AMD Ryzen 9 7950X: AMD Radeon Graphics (2 CU).
Which is faster: AMD Ryzen 9 7900X or AMD Ryzen 9 7950X?
AMD Ryzen 9 7950X 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)
- AMD — specifications of AMD Ryzen 9 7900X, specifications of AMD Ryzen 9 7950Xchecked 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 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 4.1.0, 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 5.3.0checked November 14, 2026
- Wikipedia (English) — release date and launch pricechecked November 14, 2026
How we compare: methodology. Where the data comes from: sources.