Intel Core i9-7900X vs Intel Core i7-5775C
The Core i9-7900X has 53% better performance than the Core i7-5775C for the 3DMark 11 Performance Physics benchmark.
The Core i7-5775C has 78% 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 Intel Core i7-5775C CPU
The Intel Core i7-5775C is a 4-core (8-thread) processor built for the desktop CPU market. It launched in Q2 2015 with a suggested retail price of $366. It is part of Intel's Core i7 lineup, which is based on the Broadwell microarchitecture. The i7-5775C is compatible with Intel Socket 1150 motherboards and is fabricated on Intel's 14 nm manufacturing process. It features the Iris Pro Graphics 6200 integrated graphics solution.
Memory and Cache
The Core i7-5775C supports DDR3 memory and features a dual-channel memory controller, allowing it to utilize 2 memory modules simultaneously. In terms of cache, the Core i7-5775C 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 256 KB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 6 MB.
Cores and Clock Speeds
The Core i7-5775C features 4 total cores which can process 8 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 3.7 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 i7-5775C includes an integrated graphics solution called Iris Pro Graphics 6200. This graphics processor is directly integrated into the CPU and is not as powerful as a dedicated graphics card. While integrated graphics can handle basic tasks like web browsing and office applications, it is not suitable for more demanding activities such as gaming or video editing, where a dedicated graphics card offers superior performance.
Benchmark Performance & Value
The Core i7-5775C has the 249th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 26.97% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 9,976 score and $366 launch price (MSRP) gives it a performance per dollar of 27.26. This is the 132nd 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 | Core i7-5775C |
|---|---|---|
| Manufacturer | Intel | Intel |
| Series | Core i9 | Core i7 |
| Market Segment | Desktop | Desktop |
| Release Date | Q2 2017 | Q2 2015 |
| Launch Price (MSRP) | $999 | $366 |
| Production Status | End-of-life | Active |
| Shop | Check Price | Check Price |
Benchmark Performance
The Core i9-7900X has 53% better performance than the Core i7-5775C for the 3DMark 11 Performance Physics benchmark.
The Core i9-7900X is ranked 134th with a score of 15,260, and the Core i7-5775C is ranked 249th with a score of 9,976.
The Core i7-5775C has 78% 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 Core i7-5775C is ranked 132nd with a performance per dollar of 27.26.
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 i5-11600K | 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% |
| Core i5-8600K | 10,833 | -29% |
| Ryzen 3 3100 | 10,702 | -30% |
| Core i7-5775C | 9,976 | -35% |
| Ryzen 5 1500X | 9,566 | -37% |
| Core i7-3770 | 9,502 | -38% |
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 | |
|---|---|---|
| Core i7-4790S | 27.7 | +81% |
| Ryzen 7 1800X | 27.62 | +81% |
| Core i7-5775C | 27.26 | +78% |
| Core i7-8086K | 27.19 | +78% |
| Core i7-2600K | 26.9 | +76% |
| Core i7-4770K | 25.15 | +65% |
| Core i7-5700HQ | 21.38 | +40% |
| Ryzen Threadripper 1950X | 17.85 | +17% |
| Core i9-7900X | 15.28 | |
| Core i9-9980XE | 9.72 | -36% |
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 | Core i7-5775C |
|---|---|---|
| 3DMark 11 Performance Physics | 15,260 (+52.97%) | 9,976 |
| 3DMark Time Spy CPU | 10,131 | -- |
| Cinebench R15 Multi-Core | 2,148 (+178.24%) | 772 |
| Cinebench R15 Single-Core | 192.7 (+26.78%) | 152 |
| Geekbench 6.2 Multi-Core | 8,805 (+77.56%) | 4,959 |
| Geekbench 6.2 Single-Core | 1,440 (+0.35%) | 1,435 |
| CPU Mark Multi-Thread | 21,106 (+175.18%) | 7,670 |
| CPU Mark Single-Thread | 2,559 (+12.88%) | 2,267 |
Technical Specs
Manufacturing Details
Information about the CPU's manufacturing like its foundry, process size, and transistor count.
| Spec | Core i9-7900X | Core i7-5775C |
|---|---|---|
| Manufacturer | Intel | Intel |
| Foundry | Intel | Intel |
| Process Size | 14 nm | 14 nm |
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 | Core i7-5775C |
|---|---|---|
| Series | Core i9 | Core i7 |
| Microarchitecture | X-Series 7th Gen | Broadwell |
| Codename | Skylake-X | Broadwell |
| Memory Support | DDR4 | DDR3 |
| 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 | Core i7-5775C |
|---|---|---|
| Cores | 10 | 4 |
| Threads | 20 | 8 |
| Clock Speed | 3.3 GHz | 3.3 GHz |
| Turbo Clock | 4.5 GHz | 3.7 GHz |
| Base Clock | 100 MHz | 100 MHz |
| Multiplier | 33.0x | 33.0x |
| 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 | Core i7-5775C |
|---|---|---|
| L1 Cache | 64 KB | 64 KB |
| L2 Cache | 1 MB | 256 KB |
| L3 Cache | 14 MB | 6 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 | Core i7-5775C |
|---|---|---|
| Socket | Intel Socket 2066 | Intel Socket 1150 |
| PCI Express | PCIe 3.0 x44 | PCIe 3.0 x16 |
| Thermal Design Power (TDP) | 140 W | 65 W |
| Tcase Max | 72 °C | 72 °C |
| TJ Max | 95 °C | -- |
Graphics, Features, & Extensions
Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.
| Spec | Core i9-7900X | Core i7-5775C |
|---|---|---|
| Integrated Graphics | -- | Iris Pro Graphics 6200 |
| 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, SSE4.2, AVX, AVX2, EIST, Intel 64, XD bit, VT-x, VT-d, HTT, AES-NI, TXT, CLMUL, FMA3, F16C, BMI1, BMI2, Boost 2.0 |
Check out these comparisons for similar CPUs:
Looking for alternatives? Check out these similar CPUs:
* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.