Intel Core i5-670 vs Intel Core 2 Extreme QX9775

Last updated:

CPU comparison with benchmarks


Intel Core i5-670 CPU1 vs CPU2 Intel Core 2 Extreme QX9775
Intel Core i5-670 Intel Core 2 Extreme QX9775

CPU comparison

Intel Core i5-670 or Intel Core 2 Extreme QX9775 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i5-670 has 2 cores with 4 threads and clocks with a maximum frequency of 3.73 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core i5-670 was released in Q1/2010.

The Intel Core 2 Extreme QX9775 has 4 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Extreme QX9775 was released in Q1/2008.
Intel Core i5 (331) Family Intel Core2 Extreme (7)
Intel Core i5 600 (6) CPU group Intel Core 2 Extreme QX9000 (3)
1 Generation 2
Clarkdale Architecture Yorkfield (Penryn)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-670 has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-670 is 3.46 GHz (3.73 GHz) while the Intel Core 2 Extreme QX9775 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core 2 Extreme QX9775 is at 3.20 GHz.

Intel Core i5-670 Characteristic Intel Core 2 Extreme QX9775
2 Cores 4
4 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
3.46 GHz Frequency 3.20 GHz
3.73 GHz Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i5-670 Characteristic Intel Core 2 Extreme QX9775
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i5-670 or Intel Core 2 Extreme QX9775 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel HD Graphics (Westmere) GPU no iGPU
0.50 GHz GPU frequency --
0.73 GHz GPU (Turbo) --
5 GPU Generation --
32 nm Technology
2 Max. displays
12 Compute units --
24 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
10.1 DirectX Version --

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.

Intel HD Graphics (Westmere) GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i5-670 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Core 2 Extreme QX9775 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s.

Intel Core i5-670 Characteristic Intel Core 2 Extreme QX9775
DDR3-1066, DDR3-1333 Memory DDR3-1066, DDR2-800
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
0.50 MB L2 Cache 12.00 MB
4.00 MB L3 Cache --
2.0 PCIe version --
16 PCIe lanes --
8.0 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-670 is 73 W, while the Intel Core 2 Extreme QX9775 has a TDP of 150 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-670 Characteristic Intel Core 2 Extreme QX9775
73 W TDP (PL1 / PBP) 150 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i5-670 is manufactured in 32 nm and has 4.50 MB cache. The Intel Core 2 Extreme QX9775 is manufactured in 45 nm and has a 12.00 MB cache.

Intel Core i5-670 Characteristic Intel Core 2 Extreme QX9775
32 nm Technology 45 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions MMX, SSE2, SSE3, SSE4.1
LGA 1156 Socket LGA 775
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-d
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2010 Release date Q1/2008
305 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core i5-670 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Core 2 Extreme QX9775 to help other visitors make their purchasing decisions. The average rating is 1.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i5-670 (100%)
Intel Core 2 Extreme QX9775 (71%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i5-670 (90%)
Intel Core 2 Extreme QX9775 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-670 Intel Core i5-670
2C 4T @ 3.73 GHz
638 (100%)
Intel Core 2 Extreme QX9775 Intel Core 2 Extreme QX9775
4C 4T @ 3.20 GHz
454 (71%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-670 Intel Core i5-670
2C 4T @ 3.46 GHz
1368 (86%)
Intel Core 2 Extreme QX9775 Intel Core 2 Extreme QX9775
4C 4T @ 3.20 GHz
1592 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i5-670 Intel Core i5-670
2C 4T @ 3.46 GHz
2472 (94%)
Intel Core 2 Extreme QX9775 Intel Core 2 Extreme QX9775
4C 4T @ 3.20 GHz
2641 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i5-670 Intel Core i5-670
Intel HD Graphics (Westmere) @ 0.73 GHz
35 (100%)
Intel Core 2 Extreme QX9775 Intel Core 2 Extreme QX9775
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Core i5-670 Intel Core 2 Extreme QX9775
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Core 2 Extreme QX9775Intel Core 2 Quad Q9500 Intel Core 2 Extreme QX9775 vs Intel Core 2 Quad Q9500
2. Intel Core 2 Extreme QX9775Intel Core 2 Quad Q6600 Intel Core 2 Extreme QX9775 vs Intel Core 2 Quad Q6600
3. Apple M2 (8-GPU)Intel Core i5-670 Apple M2 (8-GPU) vs Intel Core i5-670
4. Intel Core i5-670AMD Ryzen 5 5500 Intel Core i5-670 vs AMD Ryzen 5 5500
5. Intel Core i7-920Intel Core 2 Extreme QX9775 Intel Core i7-920 vs Intel Core 2 Extreme QX9775
6. Intel Core2 Duo E8600Intel Core 2 Extreme QX9775 Intel Core2 Duo E8600 vs Intel Core 2 Extreme QX9775
7. Intel Core i5-670Intel Core i5-12400F Intel Core i5-670 vs Intel Core i5-12400F
8. Intel Core i5-670Intel Core i5-11400 Intel Core i5-670 vs Intel Core i5-11400
9. Intel Core 2 Extreme QX9775Intel Core i3-10105 Intel Core 2 Extreme QX9775 vs Intel Core i3-10105
10. Intel Core i5-670Intel Core i5-4570 Intel Core i5-670 vs Intel Core i5-4570


back to index