i7-920 vs i7-6950X

Aggregate performance score

Core i7-6950X
2016
10 cores / 20 threads, 140 Watt
10.92
+510%
Core i7-920
2008
4 cores / 8 threads, 130 Watt
1.79

Core i7-6950X outperforms Core i7-920 by a whopping 510% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6950X and Core i7-920 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking7092013
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.841.22
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)Core i7 (Desktop)
Power efficiency7.381.30
Architecture codenameBroadwell-E (2016)Bloomfield (2008−2010)
Release date31 May 2016 (8 years ago)November 2008 (16 years ago)
Launch price (MSRP)$1,723$340

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-920 has 45% better value for money than i7-6950X.

Detailed specifications

Core i7-6950X and Core i7-920 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores10 (Deca-Core)4 (Quad-Core)
Threads208
Base clock speed3 GHz2.66 GHz
Boost clock speed4 GHz2.93 GHz
Bus rate9.6 GT/s / QPI1333 MHz
L1 cache32K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache25 MB (shared)8 MB (shared)
Chip lithography14 nm45 nm
Die size246 mm2263 mm2
Maximum core temperatureno data68 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors3,800 million731 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-6950X and Core i7-920 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA2011FCLGA1366,PLGA1366
Power consumption (TDP)140 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6950X and Core i7-920. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.01.0
Hyper-Threading Technology++
Idle States++
Smart Response+no data
Demand Based Switchingno data-
PAEno data36 Bit
Turbo Boost Max 3.0+no data

Security technologies

Core i7-6950X and Core i7-920 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6950X and Core i7-920 are enumerated here.

VT-d+no data
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6950X and Core i7-920. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size128 GB24 GB
Max memory channels43
Maximum memory bandwidthno data25.6 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i7-6950X and Core i7-920.

PCIe version3.0no data
PCI Express lanes40no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-6950X 10.92
+510%
i7-920 1.79

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-6950X 17353
+512%
i7-920 2837

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-6950X 1316
+217%
i7-920 415

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-6950X 8582
+503%
i7-920 1424

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-6950X 6231
+60.8%
i7-920 3874

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-6950X 40378
+159%
i7-920 15576

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-6950X 10658
+125%
i7-920 4728

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-6950X 3.5
+173%
i7-920 9.57

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-6950X 20
+318%
i7-920 5

3DMark Fire Strike Physics

i7-6950X 19410
+389%
i7-920 3970

Gaming performance

Pros & cons summary


Performance score 10.92 1.79
Physical cores 10 4
Threads 20 8
Chip lithography 14 nm 45 nm
Power consumption (TDP) 140 Watt 130 Watt

i7-6950X has a 510.1% higher aggregate performance score, 150% more physical cores and 150% more threads, and a 221.4% more advanced lithography process.

i7-920, on the other hand, has 7.7% lower power consumption.

The Core i7-6950X is our recommended choice as it beats the Core i7-920 in performance tests.


Should you still have questions on choice between Core i7-6950X and Core i7-920, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-6950X
Core i7-6950X
Intel Core i7-920
Core i7-920

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.9 254 votes

Rate Core i7-6950X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 399 votes

Rate Core i7-920 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-6950X or Core i7-920, agree or disagree with our judgements, or report an error or mismatch.