Intel Core i5-655K Benchmark, Test and specs

Last updated:

CPU lineage

The Intel Core i5-655K features 2 processor cores and has the capability to manage 4 threads concurrently. It was released in Q1/2010 and belongs to the 1 generation of the Intel Core i5 series. To use the Intel Core i5-655K, you'll need a motherboard with a LGA 1156 socket.
Name: Intel Core i5-655K
Family: Intel Core i5
Group: Intel Core i5 600
Segment: Desktop / Server
Generation: 1

CPU Cores and Base Frequency

The Intel Core i5-655K has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-655K is 3.2 GHz and turbo frequency for one core is 3.46 GHz.
CPU Cores: 2
Threads: 4
Cores: 2x
Core architecture: normal
Hyperthreading: Yes
Overclocking: Yes
Frequency: 3.2 GHz
Turbo Frequency (1 core): 3.46 GHz

Internal Graphics

The Intel Core i5-655K has integrated graphics, called iGPU for short. Specifically, the Intel Core i5-655K uses the Intel HD Graphics (Westmere), which has 24 texture shaders and 12 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
GPU name: Intel HD Graphics (Westmere)
GPU frequency: 0.5 GHz
GPU (Turbo): 0.73 GHz
Execution units: 12
Shaders: 24
Max. GPU Memory: 2.0 GB
Max. displays: --
Generation: 5
Direct X: 10.1
Technology: 32 nm
Release date: Q1/2010

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.
h265 / HEVC (8 bit): No
h265 / HEVC (10 bit): No
h264: Decode
VP8: No
VP9: No
AV1: No
AVC: Decode
VC-1: No
JPEG: No

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.0 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Memory type: DDR3-1066, DDR3-1333
Max. Memory: 16.0 GB
Memory channels: 2
Bandwidth: 21.0 GB/s
ECC: No
PCIe: pci
AES-NI: Yes

Thermal Management

The processor has a thermal design power (TDP) of 73 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.
TDP (PL1 / PBP): 73 W
TDP (PL2): None
TDP up: None
TDP down: None
Tjunction max: --

Technical details

The Intel Core i5-655K is manufactured using a 32 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 4.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
Technology: 32 nm
Chip design: Monolithic
Socket: LGA 1156
L2-Cache: 512.0 KB
L3-Cache: 4.0 MB
Architecture: Clarkdale
Operating systems: Windows 10, Linux
Virtualization: VT-x, VT-x EPT, VT-d
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: SSE4.1, SSE4.2
Release date: Q1/2010
Release price: 177 $
Part Number: --
Documents: Technical data sheet
ADS

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i5-2520M
2C 4T @ 2.5 GHz
2230
2230
Intel Core i5-650
2C 4T @ 3.2 GHz
2221
2221
Intel Core i5-655K
2C 4T @ 3.2 GHz
2221
2221
Intel Core i5-650
2C 4T @ 3.2 GHz
2221
2221
Intel Core i5-3427U
2C 4T @ 1.8 GHz
2214
2214

Geekbench 5, 64bit (Multi-Core)

Intel Core i3-560
2C 4T @ 3.33 GHz
1252
1252
Intel Core i5-650
2C 4T @ 3.2 GHz
1252
1252
Intel Core i5-655K
2C 4T @ 3.2 GHz
1252
1252
Intel Core i5-650
2C 4T @ 3.2 GHz
1252
1252
Intel Core i3-560
2C 4T @ 3.33 GHz
1252
1252

Geekbench 5, 64bit (Single-Core)

MediaTek Dimensity 810
8C 8T @ 2.4 GHz
564
564
Intel Core i5-650
2C 4T @ 3.2 GHz
564
564
Intel Core i5-655K
2C 4T @ 3.2 GHz
564
564
Intel Core i5-650
2C 4T @ 3.2 GHz
564
564
MediaTek Dimensity 810
8C 8T @ 2.4 GHz
564
564

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i3-540
2C 4T @ 3.06 GHz
35
35
Intel Core i5-650
2C 4T @ 3.2 GHz
35
35
Intel Core i5-655K
2C 4T @ 3.2 GHz
35
35
Intel Core i5-660
2C 4T @ 3.33 GHz
35
35
MediaTek Helio A20
NoneC NoneT @ --
35
35