Intel Core i7-6700K vs Intel Core i7-920

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-6700K or Intel Core i7-6700K – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-6700K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2015 and belongs to the 6 generation of the Intel Core i7 series.
To use the Intel Core i7-6700K, you'll need a motherboard with a LGA 1151 socket.
The Intel Core i7-920 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2008 and belongs to the 1 generation of the Intel Core i7 series.
To use the Intel Core i7-920, you'll need a motherboard with a LGA 1366 socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-6700K Name Intel Core i7-920
Intel Core i7 Family Intel Core i7
6 Generation 1
Intel Core i 6000 Group Intel Core i7 900
 
 

CPU Cores and Base Frequency

The Intel Core i7-6700K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-6700K is 4.0 GHz
and turbo frequency for one core is 4.2 GHz.
The Intel Core i7-920 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-920 is 2.66 GHz
and turbo frequency for one core is 2.93 GHz.
4.2 GHz Turbo Frequency (1 core) 2.93 GHz
Yes Overclocking No
normal Core architecture normal
4.0 GHz Frequency 2.66 GHz
8 Threads 8
4.0 GHz Turbo Frequency (all cores) None
Yes Hyperthreading Yes
4 CPU Cores 4
4x Cores 4x
 
 

Internal Graphics

The Intel Core i7-6700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-6700K uses the Intel HD Graphics 530, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-920 does not have integrated graphics.
0.35 GHz GPU frequency --
Q3/2015 Release date --
12 Direct X --
Intel HD Graphics 530 GPU name
14 nm Technology --
-- Max. displays --
192 Shaders --
32.0 GB Max. GPU Memory 0 bytes
24 Execution units --
9 Generation --
1.15 GHz GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC --
Decode VC-1 --
Decode VP9 --
Decode h265 / HEVC (10 bit) --
Decode / Encode h264 --
Decode / Encode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode JPEG --
No AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 24.0 GB distributed across 3 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 3
64.0 GB Max. Memory 24.0 GB
pci PCIe pci
Yes AES-NI No
No ECC No
34.1 GB/s Bandwidth 25.6 GB/s
DDR4-2133, DDR3-1866 Memory type DDR3-1066
 
 

Thermal Management

The processor has a thermal design power (TDP) of 91 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 130 W watts.
-- Tjunction max --
91 W TDP (PL1 / PBP) 130 W
 
 

Technical details

The Intel Core i7-6700K is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-920 is manufactured using a 45 nm process.
Q3/2015 Release date Q4/2008
-- Part Number BX80601920
0 bytes L2-Cache 1.0 MB
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2
Monolithic Chip design Monolithic
Skylake S Architecture Bloomfield
14 nm Technology 45 nm
LGA 1151 Socket LGA 1366
Windows 10, Linux Operating systems Windows 10, Linux
420 $ Release price 305 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 MB L3-Cache 8.0 MB
 
 

Benchmarks

Geekbench 6 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4665
4665
Intel Core i7-920
4C 8T @ 2.66 GHz
1771
1771

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4459
4459
Intel Core i7-920
4C 8T @ 2.66 GHz
2085
2085

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
2313
2313
Intel Core i7-920
4C 8T @ 2.66 GHz
1263
1263

Geekbench 6 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
1347
1347
Intel Core i7-920
4C 8T @ 2.66 GHz
525
525

Geekbench 5, 64bit (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
1151
1151
Intel Core i7-920
4C 8T @ 2.66 GHz
513
513