Ryzen 7 7700X vs Ryzen 9 7900X: specs and benchmark comparison
AAMD · Zen 4
AMD Ryzen 7 7700X
- 8 cores / 16 threads
- up to 5.4 GHz
- AM5
September 27, 2022 · $399 at launch
BAMD · Zen 4
AMD Ryzen 9 7900X
- 12 cores / 24 threads
- up to 5.6 GHz
- AM5
September 27, 2022 · $549 at launch
Short verdict
AMD Ryzen 9 7900X 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 +53%AMD Ryzen 9 7900X leads in this scenario (up to 53% 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 7 7700X is better2
TDP (AMD method) 65 W lower105 W vs 170 W
Launch price $150 lower$399 vs $549
Where Ryzen 9 7900X is better6
Blender Benchmark 4.5.0 47% faster411 samples/min vs 280 samples/min
Cores 4 more12 vs 8
Threads 8 more24 vs 16
L1 cache 256 KB more768 KB vs 512 KB
L2 cache 4 MB more12 MB vs 8 MB
L3 cache 32 MB more64 MB vs 32 MB
Benchmarks
Results are compared within one benchmark, one version and the same conditions.
- B ahead by 47%
Blender Benchmark 4.5.0
CPU, sum of scenes monster + junkshop + classroom · samples/min, higher is better
Ryzen 7 7700X279.7 samples/minRyzen 9 7900X411.3 samples/minPosition among tested models (89)
A · 280B · 4110200400600800Each dot is one model’s median in this benchmark. The scale starts at zero, samples/min. AMD Ryzen 9 7900X is ahead by 47% in this benchmark.
About the measurement and source
- A · AMD Ryzen 7 7700X
279.7 samples/min · community measurement, sample 131 · November 14, 2026
Blender Open Data (Blender Foundation)
Median of 131 submissions (3 outliers excluded), interquartile range 268.58–308.63; submissions 2025-07-17 to 2026-03-03; CPU backend. Snapshot 2026-11-14.
- B · 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.
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 (11)
| Benchmark | A | B | Difference |
|---|---|---|---|
| Blender Benchmark 4.2.0CPU, sum of scenes monster + junkshop + classroom | 262.3 | 398.4 | B +51.9% |
| Blender Benchmark 5.1.1CPU, sum of scenes monster + junkshop + classroom | 304.8 | 411.1 | B +34.9% |
| Blender Benchmark 5.2.0CPU, sum of scenes monster + junkshop + classroom | 311.6 | 445.1 | B +42.8% |
| Blender Benchmark 3.3.0CPU, sum of scenes monster + junkshop + classroom | 307.7 | 458.3 | B +48.9% |
| Blender Benchmark 3.4.0CPU, sum of scenes monster + junkshop + classroom | 287.8 | 440.1 | B +52.9% |
| Blender Benchmark 3.5.0CPU, sum of scenes monster + junkshop + classroom | 284.6 | 428.1 | B +50.4% |
| Blender Benchmark 3.6.0CPU, sum of scenes monster + junkshop + classroom | 279 | 426.7 | B +53% |
| Blender Benchmark 4.0.0CPU, sum of scenes monster + junkshop + classroom | 277.7 | 413.6 | B +49% |
| Blender Benchmark 4.1.0CPU, sum of scenes monster + junkshop + classroom | 269.7 | 402.7 | B +49.3% |
| Blender Benchmark 4.3.0CPU, sum of scenes monster + junkshop + classroom | 269.5 | 392.3 | B +45.6% |
| Blender Benchmark 4.4.0CPU, sum of scenes monster + junkshop + classroom | 268 | 393.1 | B +46.7% |
Each benchmark version has its own scale: numbers are compared only within a row.
Reference results (4)
| Benchmark | A | B | Difference |
|---|---|---|---|
| Blender Benchmark 3.2.1CPU, sum of scenes monster + junkshop + classroom | 302.6 | 446 | reference |
| Blender Benchmark 5.0.0CPU, sum of scenes monster + junkshop + classroom | 243.8 | — | no pair |
| Blender Benchmark 5.1.0CPU, sum of scenes monster + junkshop + classroom | 301.5 | 422.7 | reference |
| Blender Benchmark 5.3.0CPU, sum of scenes monster + junkshop + classroom | 281.2 | — | no pair |
Each benchmark version has its own scale: numbers are compared only within a row.
Specifications
| Specification | A · Ryzen 7 7700X | B · Ryzen 9 7900X | Difference |
|---|---|---|---|
| Cores and clocks | |||
| CoresCores of different types may differ in performance. | 8 | 12 | B: 4 more |
| Threads | 16 | 24 | B: 8 more |
| Base clockFor hybrid Intel CPUs, the P-core base clock is shown. | 4.5 GHz | 4.7 GHz | B: 0.2 GHz more |
| Max clock (Boost/Turbo) | 5.4 GHz | 5.6 GHz | B: 0.2 GHz more |
| Unlocked multiplier | yes | yes | equal |
| Cache | |||
| L1 cache | 512 KB | 768 KB | B: 256 KB more |
| L2 cache | 8 MB | 12 MB | B: 4 MB more |
| L3 cache | 32 MB | 64 MB | B: 32 MB more |
| 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 | PCIe 5.0, 24 lanes | no data | no data for B |
| 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. | 105 W | 170 W | B: 65 W higher |
Cores and clocks
Cores
A8
B12
B: 4 moreCores of different types may differ in performance.
Threads
A16
B24
B: 8 moreBase clock
A4.5 GHz
B4.7 GHz
B: 0.2 GHz moreFor hybrid Intel CPUs, the P-core base clock is shown.
Max clock (Boost/Turbo)
A5.4 GHz
B5.6 GHz
B: 0.2 GHz moreUnlocked multiplier
Ayes
Byes
equal
Cache
L1 cache
A512 KB
B768 KB
B: 256 KB moreL2 cache
A8 MB
B12 MB
B: 4 MB moreL3 cache
A32 MB
B64 MB
B: 32 MB more
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
APCIe 5.0, 24 lanes
Bno data
no data for BIntegrated graphics
AAMD Radeon Graphics (2 CU)
BAMD Radeon Graphics (2 CU)
equal
Power
TDP (AMD method)
A105 W
B170 W
B: 65 W higherAMD 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 7 7700X and AMD Ryzen 9 7900X 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 7 7700X and AMD Ryzen 9 7900X have?
AMD Ryzen 7 7700X: 8 cores / 16 threads. AMD Ryzen 9 7900X: 12 cores / 24 threads (manufacturer data).
Do these CPUs have integrated graphics?
AMD Ryzen 7 7700X: AMD Radeon Graphics (2 CU). AMD Ryzen 9 7900X: AMD Radeon Graphics (2 CU).
Which is faster: AMD Ryzen 7 7700X or AMD Ryzen 9 7900X?
AMD Ryzen 9 7900X 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 7 7700X, specifications of AMD Ryzen 9 7900Xchecked 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 5.1.0, benchmark Blender Benchmark 5.0.0, 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.