Intel Core i9-7900X vs AMD Ryzen 9 3900X
The Ryzen 9 3900X has 24% better performance than the Core i9-7900X for the 3DMark 11 Performance Physics benchmark.
The Ryzen 9 3900X has 148% better value for the money than the Core i9-7900X for the 3DMark 11 Performance Physics benchmark.
Summary
About the Intel Core i9-7900X CPU
The Intel Core i9-7900X is an end-of-life 10-core (20-thread) processor built for the desktop CPU market. It launched in Q2 2017 with a suggested retail price of $999. It is part of Intel's Core i9 lineup, which is based on the X-Series 7th Gen microarchitecture. The i9-7900X is compatible with Intel Socket 2066 motherboards and is fabricated on Intel's 14 nm manufacturing process.
Memory and Cache
The Core i9-7900X supports DDR4 memory and features a quad-channel memory controller, allowing it to utilize 4 memory modules simultaneously. In terms of cache, the Core i9-7900X has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 64 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 1 MB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 14 MB.
Cores and Clock Speeds
The Core i9-7900X features 10 total cores which can process 20 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3.3 GHz, and it can boost up to 4.5 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is unlocked, enabling overclocking for those seeking to push the CPU's performance further.
Integrated Graphics
The Core i9-7900X does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.
Benchmark Performance & Value
The Core i9-7900X has the 134th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 41.25% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 15,260 score and $999 launch price (MSRP) gives it a performance per dollar of 15.28. This is the 176th best in value for the 3DMark 11 Perf. Physics benchmark.
About the AMD Ryzen 9 3900X CPU
The AMD Ryzen 9 3900X is a 12-core (24-thread) processor built for the desktop CPU market. It launched in Q3 2019 with a suggested retail price of $499. It is part of AMD's Ryzen 9 lineup, which is based on the Zen 2 microarchitecture. The 3900X is compatible with AMD Socket AM4 motherboards and is fabricated on TSMC's 7 nm manufacturing process.
Memory and Cache
The Ryzen 9 3900X supports DDR4 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Ryzen 9 3900X has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 64 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 512 KB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 64 MB.
Cores and Clock Speeds
The Ryzen 9 3900X features 12 total cores which can process 24 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3.8 GHz, and it can boost up to 4.6 GHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture. The multiplier is unlocked, enabling overclocking for those seeking to push the CPU's performance further.
Integrated Graphics
The Ryzen 9 3900X does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.
Benchmark Performance & Value
The Ryzen 9 3900X has the 80th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 51.18% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 18,932 score and $499 launch price (MSRP) gives it a performance per dollar of 37.94. This is the 86th best in value for the 3DMark 11 Perf. Physics benchmark.
General Info
General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | Core i9-7900X | Ryzen 9 3900X |
|---|---|---|
| Manufacturer | Intel | AMD |
| Series | Core i9 | Ryzen 9 |
| Market Segment | Desktop | Desktop |
| Release Date | Q2 2017 | Q3 2019 |
| Launch Price (MSRP) | $999 | $499 |
| Production Status | End-of-life | Active |
| Shop | Check Price | Check Price |
Benchmark Performance
The Ryzen 9 3900X has 24% better performance than the Core i9-7900X for the 3DMark 11 Performance Physics benchmark.
The Core i9-7900X is ranked 134th with a score of 15,260, and the Ryzen 9 3900X is ranked 80th with a score of 18,932.
The Ryzen 9 3900X has 148% better value for the money than the Core i9-7900X for the 3DMark 11 Performance Physics benchmark.
The Core i9-7900X is ranked 176th with a performance per dollar of 15.28, and the Ryzen 9 3900X is ranked 86th with a performance per dollar of 37.94.
Relative Performance
The average score in the benchmark test can be compared to similar CPUs to assess relative performance. Generally, powerful CPUs tend to have higher scores.
| CPU | Benchmark Performance | |
|---|---|---|
| Core i5-12400F | 19,436 | +27% |
| Core i9-9980XE | 19,237 | +26% |
| Ryzen 9 3900X | 18,932 | +24% |
| Ryzen 7 3800XT | 18,905 | +24% |
| Core i9-9900KS | 18,694 | +23% |
| Core i5-11600K | 16,381 | +7% |
| Core i5-11400F | 15,367 | +1% |
| Core i9-7900X | 15,260 | |
| Ryzen 7 2700X | 15,098 | -1% |
| Core i7-8700K | 14,766 | -3% |
Relative Value For Money
The average performance per dollar in the benchmark test can be compared to similar CPUs to assess relative value. A higher score implies a better value for your money.
| CPU | Performance Per Dollar | |
|---|---|---|
| Ryzen 9 5900X | 38.33 | +151% |
| Core i7-9700K | 38.07 | +149% |
| Ryzen 9 3900X | 37.94 | +148% |
| Core i9-9900KS | 36.44 | +139% |
| Core i9-9900K | 35.38 | +132% |
| Core i7-8086K | 27.19 | +78% |
| Ryzen Threadripper 1950X | 17.85 | +17% |
| Core i9-7900X | 15.28 | |
| Core i9-9980XE | 9.72 | -36% |
| Core i9-9900T | 9.65 | -37% |
Benchmark Scores
This table showcases the average performance scores achieved by both CPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful CPUs tend to have higher scores.
- Popular
| Benchmark | Core i9-7900X | Ryzen 9 3900X |
|---|---|---|
| 3DMark 11 Performance Physics | 15,260 | 18,932 (+24.06%) |
| 3DMark Time Spy CPU | 10,131 | 11,923 (+17.69%) |
| Cinebench R15 Multi-Core | 2,148 | 3,049 (+41.95%) |
| Cinebench R15 Single-Core | 192.7 | 207 (+7.42%) |
| Geekbench 6.2 Multi-Core | 8,805 | 9,960 (+13.12%) |
| Geekbench 6.2 Single-Core | 1,440 | 1,711 (+18.82%) |
| CPU Mark Multi-Thread | 21,106 | 32,647 (+54.68%) |
| CPU Mark Single-Thread | 2,559 | 2,706 (+5.74%) |
Technical Specs
Manufacturing Details
Information about the CPU's manufacturing like its foundry, process size, and transistor count.
| Spec | Core i9-7900X | Ryzen 9 3900X |
|---|---|---|
| Manufacturer | Intel | AMD |
| Foundry | Intel | TSMC |
| Process Size | 14 nm | 7 nm |
| Transistors | -- | 7,600 million |
Architecture
CPU architecture specs like its memory channels, memory support, and microarchitecture. Newer CPU architectures can minimize bottlenecks and improve execution efficiency using more advanced techniques.
| Spec | Core i9-7900X | Ryzen 9 3900X |
|---|---|---|
| Series | Core i9 | Ryzen 9 |
| Microarchitecture | X-Series 7th Gen | Zen 2 |
| Codename | Skylake-X | Matisse |
| Memory Support | DDR4 | DDR4 |
| Memory Channels | Quad-channel | Dual-channel |
| ECC Memory | No | No |
Cores & Clock Speeds
Processing power information like its cores and clock speed. These specs impact how fast they can handle instructions and tasks. These have a strong impact on the CPU's performance.
| Spec | Core i9-7900X | Ryzen 9 3900X |
|---|---|---|
| Cores | 10 | 12 |
| Threads | 20 | 24 |
| Clock Speed | 3.3 GHz | 3.8 GHz |
| Turbo Clock | 4.5 GHz | 4.6 GHz |
| Base Clock | 100 MHz | 100 MHz |
| Multiplier | 33.0x | 38.0x |
| Multiplier Unlocked | Yes | Yes |
Cache
CPU cache specs like its L1 & L2 cache. These provide the CPU with a small, but super-fast memory access. A larger cache can improve a CPU's performance.
| Spec | Core i9-7900X | Ryzen 9 3900X |
|---|---|---|
| L1 Cache | 64 KB | 64 KB |
| L2 Cache | 1 MB | 512 KB |
| L3 Cache | 14 MB | 64 MB |
Compatibility & Power Consumption
Compatibility and power consumption information like its socket type, thermal design power, power limits. These can help verify the CPU's compatibility with other PC components.
| Spec | Core i9-7900X | Ryzen 9 3900X |
|---|---|---|
| Socket | Intel Socket 2066 | AMD Socket AM4 |
| PCI Express | PCIe 3.0 x44 | PCIe 4.0 x24 |
| Thermal Design Power (TDP) | 140 W | 105 W |
| Package Power Tracking (PPT) | -- | 142 W |
| Tcase Max | 72 °C | 95 °C |
| TJ Max | 95 °C | -- |
Graphics, Features, & Extensions
Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.
| Spec | Core i9-7900X | Ryzen 9 3900X |
|---|---|---|
| Extensions / Technologies | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, AVX-512, EIST, Intel 64, XD bit, VT-x, VT-d, HTT, AES-NI, TSX, TXT, CLMUL, FMA3, F16C, BMI1, BMI2, Boost 2.0, Boost 3.0 | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.