Intel Core i7-3770S vs Intel Core i7-3770K

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CPU comparison with benchmarks


Intel Core i7-3770S CPU1 vs CPU2 Intel Core i7-3770K
Intel Core i7-3770S Intel Core i7-3770K

CPU comparison

Intel Core i7-3770S or Intel Core i7-3770K - 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 i7-3770S has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i7-3770S was released in Q2/2012.

The Intel Core i7-3770K has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i7-3770K was released in Q2/2012.
Intel Core i7 (299) Family Intel Core i7 (299)
Intel Core i 3000 (31) CPU group Intel Core i 3000 (31)
3 Generation 3
Ivy Bridge S Architecture Ivy Bridge S
Desktop Segment Desktop
-- Predecessor --
Intel Core i7-4770S Successor Intel Core i7-4770K

CPU Cores and Base Frequency

The Intel Core i7-3770S has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i7-3770S is 3.10 GHz (3.90 GHz) while the Intel Core i7-3770K has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i7-3770K is at 3.50 GHz (3.90 GHz).

Intel Core i7-3770S Characteristic Intel Core i7-3770K
4 Cores 4
8 Threads 8
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.10 GHz Frequency 3.50 GHz
3.90 GHz Turbo Frequency (1 Core) 3.90 GHz
-- Turbo Frequency (All Cores) 3.90 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core i7-3770S Characteristic Intel Core i7-3770K
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Core i7-3770S or Intel Core i7-3770K 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 4000 GPU Intel HD Graphics 4000
0.65 GHz GPU frequency 0.65 GHz
1.15 GHz GPU (Turbo) 1.15 GHz
7 GPU Generation 7
22 nm Technology 22 nm
3 Max. displays 3
16 Compute units 16
128 Shader 128
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.0 DirectX Version 11.0

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 4000 GPU Intel HD Graphics 4000
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

The Intel Core i7-3770S can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Core i7-3770K supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

Intel Core i7-3770S Characteristic Intel Core i7-3770K
DDR3-1600 Memory DDR3-1600
32 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
8.00 MB L3 Cache 8.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 16
15.8 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-3770S is 65 W, while the Intel Core i7-3770K has a TDP of 77 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i7-3770S Characteristic Intel Core i7-3770K
65 W TDP (PL1 / PBP) 77 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
105 °C Tjunction max. --

Technical details

The Intel Core i7-3770S is manufactured in 22 nm and has 8.00 MB cache. The Intel Core i7-3770K is manufactured in 22 nm and has a 8.00 MB cache.

Intel Core i7-3770S Characteristic Intel Core i7-3770K
22 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX
LGA 1155 Socket LGA 1155
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2012 Release date Q2/2012
294 $ Release price 275 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i7-3770S to help other visitors make their purchasing decisions. The average rating is 4.0 stars (5 ratings). Rate now:
Here you can rate the Intel Core i7-3770K to help other visitors make their purchasing decisions. The average rating is 3.9 stars (14 ratings). Rate now:

Average performance in benchmarks

Single core performance in 2 CPU benchmarks
Intel Core i7-3770S (98%)
Intel Core i7-3770K (100%)
Multi core performance in 4 CPU benchmarks
Intel Core i7-3770S (94%)
Intel Core i7-3770K (100%)

Price-performance ratio

Geekbench 6 multi-core score divided by the processor's release price. Higher is better.
Intel Core i7-3770S Intel Core i7-3770S
Geekbench 6 MT: 2,389 / 294 $
8.13
Intel Core i7-3770K Intel Core i7-3770K
Geekbench 6 MT: 2,527 / 275 $
9.19

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.90 GHz
734 (100%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
737 (100%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.10 GHz
2389 (95%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
2527 (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 i7-3770S Intel Core i7-3770S
4C 8T @ 3.90 GHz
831 (95%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
873 (100%)

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 i7-3770S Intel Core i7-3770S
4C 8T @ 3.10 GHz
3143 (92%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
3409 (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 i7-3770S Intel Core i7-3770S
Intel HD Graphics 4000 @ 1.15 GHz
294 (100%)
Intel Core i7-3770K Intel Core i7-3770K
Intel HD Graphics 4000 @ 1.15 GHz
294 (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 i7-3770S Intel Core i7-3770S
4C 8T @ 3.10 GHz
6177 (95%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
6474 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.10 GHz
1730 (93%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.50 GHz
1866 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.90 GHz
0 (0%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
286 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.10 GHz
0 (0%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
1391 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.10 GHz
0 (0%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
597.4 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.90 GHz
0 (0%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
384 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.90 GHz
0 (0%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
137 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-3770S Intel Core i7-3770S
4C 8T @ 3.10 GHz
0 (0%)
Intel Core i7-3770K Intel Core i7-3770K
4C 8T @ 3.90 GHz
672 (100%)

Devices using this processor

Intel Core i7-3770S Intel Core i7-3770K
Unknown Unknown

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