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Intel Core i9-7900X vs Intel Core i7-6950X

Intel
VS
Intel
Performance
Core i9-7900X
15,26041% of 36,991
Core i7-6950X7% better
16,40344% of 36,991

The Core i7-6950X has 7% better performance than the Core i9-7900X for the 3DMark 11 Performance Physics benchmark.

Performance per dollar
Core i9-7900X60% better
15.2813% of 121.53
Core i7-6950X
9.528% of 121.53

The Core i9-7900X has 60% better value for the money than the Core i7-6950X for the 3DMark 11 Performance Physics benchmark.

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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 i7-6950X CPU

The Intel Core i7-6950X is an end-of-life 10-core (20-thread) processor built for the desktop CPU market. It launched in Q2 2016 with a suggested retail price of $1,723. It is part of Intel's Core i7 Extreme lineup, which is based on the Broadwell-E microarchitecture. The i7-6950X is compatible with Intel Socket 2011-3 motherboards and is fabricated on Intel's 14 nm manufacturing process.

Memory and Cache

The Core i7-6950X supports DDR4 memory and features a quad-channel memory controller, allowing it to utilize 4 memory modules simultaneously. In terms of cache, the Core i7-6950X 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 25 MB.

Cores and Clock Speeds

The Core i7-6950X 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 3.0 GHz, and it can boost up to 3.5 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 i7-6950X 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 i7-6950X has the 113th best 3DMark 11 Performance Physics score among the 720 benchmarked CPUs in our database. It achieves 44.34% of the performance of the best benchmarked CPU, the AMD Ryzen 9 7950X3D. Its 16,403 score and $1,723 launch price (MSRP) gives it a performance per dollar of 9.52. This is the 200th 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.

InfoCore i9-7900XCore i7-6950X
ManufacturerIntelIntel
SeriesCore i9Core i7 Extreme
Market SegmentDesktopDesktop
Release DateQ2 2017Q2 2016
Launch Price (MSRP)$999$1,723
Production StatusEnd-of-lifeEnd-of-life
ShopCheck PriceCheck Price

Benchmark Performance

#
Performance
Core i9-7900X
15,26041% of 36,991
Core i7-6950X7% better
16,40344% of 36,991

The Core i7-6950X has 7% 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 Core i7-6950X is ranked 113th with a score of 16,403.

Performance per dollar
Core i9-7900X60% better
15.2813% of 121.53
Core i7-6950X
9.528% of 121.53

The Core i9-7900X has 60% better value for the money than the Core i7-6950X 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 i7-6950X is ranked 200th with a performance per dollar of 9.52.

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.

Choose Baseline CPU:Core i9-7900X or
CPUBenchmark Performance
Core i9-9900K17,264+13%
Ryzen 9 390016,803+10%
Ryzen 5 5600G16,538+8%
Core i7-6950X16,403+7%
Core i5-11600K16,381+7%
Core i5-11400F15,367+1%
Core i9-7900X15,260
Ryzen 7 2700X15,098-1%
Core i7-8700K14,766-3%
Core i7-9700K14,657-4%

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.

Choose Baseline CPU:Core i9-7900X or
CPUPerformance Per Dollar
Core i7-8086K27.19+78%
Core i7-4770K25.15+65%
Ryzen Threadripper 1950X17.85+17%
Core i9-7900X15.28
Core i9-9980XE9.72-36%
Core i9-9900T9.65-37%
Core i7-6950X9.52-38%

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
BenchmarkCore i9-7900XCore i7-6950X
3DMark 11 Performance Physics
15,260
16,403
(+7.49%)
3DMark Time Spy CPU
10,131
(+4.48%)
9,697
Cinebench R15 Multi-Core
2,148
(+15.55%)
1,859
Cinebench R15 Single-Core
192.7
(+23.92%)
155.5
Geekbench 6.2 Multi-Core
8,805
(+2.15%)
8,620
Geekbench 6.2 Single-Core
1,440
(+9.01%)
1,321
CPU Mark Multi-Thread
21,106
(+21.17%)
17,418
CPU Mark Single-Thread
2,559
(+9.45%)
2,338
Benchmarks Source: Notebookcheck

Technical Specs

#

Manufacturing Details

Information about the CPU's manufacturing like its foundry, process size, and transistor count.

SpecCore i9-7900XCore i7-6950X
ManufacturerIntelIntel
FoundryIntelIntel
Process Size14 nm14 nm
Transistors--3,400 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.

SpecCore i9-7900XCore i7-6950X
SeriesCore i9Core i7 Extreme
MicroarchitectureX-Series 7th GenBroadwell-E
CodenameSkylake-XBroadwell-E
Memory SupportDDR4DDR4
Memory ChannelsQuad-channelQuad-channel
ECC MemoryNoNo

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.

SpecCore i9-7900XCore i7-6950X
Cores1010
Threads2020
Clock Speed3.3 GHz3.0 GHz
Turbo Clock4.5 GHz3.5 GHz
Base Clock100 MHz100 MHz
Multiplier33.0x30.0x
Multiplier UnlockedYesYes

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.

SpecCore i9-7900XCore i7-6950X
L1 Cache64 KB64 KB
L2 Cache1 MB256 KB
L3 Cache14 MB25 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.

SpecCore i9-7900XCore i7-6950X
SocketIntel Socket 2066Intel Socket 2011-3
PCI ExpressPCIe 3.0 x44PCIe 3.0 x40
Thermal Design Power (TDP)140 W140 W
Tcase Max72 °C67 °C
TJ Max95 °C--

Graphics, Features, & Extensions

Additional CPU features like its bundled coolers, integrated graphics, and extensions/technologies.

SpecCore i9-7900XCore i7-6950X
Extensions / TechnologiesMMX, 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 3.0MMX, 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 3.0

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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.