Intel Core i5-661 Benchmark, Test and specs

Last updated:

CPU lineage

The Intel Core i5-661 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 i5-661, you'll need a motherboard with a LGA 1156 socket.
Name: Intel Core i5-661
Family: Intel Core i5
Group: Intel Core i5 600
Segment: Desktop / Server
Generation: 1

CPU Cores and Base Frequency

The Intel Core i5-661 has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-661 is 3.33 GHz and turbo frequency for one core is 3.6 GHz.
CPU Cores: 2
Threads: 4
Cores: 2x
Core architecture: normal
Hyperthreading: Yes
Overclocking: No
Frequency: 3.33 GHz
Turbo Frequency (1 core): 3.6 GHz

Internal Graphics

The Intel Core i5-661 has integrated graphics, called iGPU for short. Specifically, the Intel Core i5-661 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): 0.9 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 i5-661 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 Pentium G4500T
2C 2T @ 3.0 GHz
2378
2378
Intel Core i5-660
2C 4T @ 3.33 GHz
2359
2359
Intel Core i5-661
2C 4T @ 3.33 GHz
2359
2359
Intel Core i5-660
2C 4T @ 3.33 GHz
2359
2359
Intel Core i3-6102E
2C 4T @ 1.9 GHz
2356
2356

Geekbench 5, 64bit (Multi-Core)

Intel Atom C3558
4C 4T @ 2.2 GHz
1309
1309
Intel Core i5-660
2C 4T @ 3.33 GHz
1308
1308
Intel Core i5-661
2C 4T @ 3.33 GHz
1308
1308
Intel Core i5-660
2C 4T @ 3.33 GHz
1308
1308
Intel Celeron G1850
2C 2T @ 2.9 GHz
1307
1307

Geekbench 5, 64bit (Single-Core)

Intel Pentium G3240T
2C 2T @ 2.7 GHz
600
600
Intel Core i5-660
2C 4T @ 3.33 GHz
597
597
Intel Core i5-661
2C 4T @ 3.33 GHz
597
597
Intel Core i5-660
2C 4T @ 3.33 GHz
597
597
Intel Core i5-2510E
2C 4T @ 2.5 GHz
592
592

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Atom Z3770
4C 4T @ 1.46 GHz
43
43
Intel Atom Z3740
4C 4T @ 1.33 GHz
43
43
Intel Core i5-661
2C 4T @ 3.33 GHz
43
43
Intel Celeron N2805
2C 2T @ 1.46 GHz
43
43
Intel Atom Z3740
4C 4T @ 1.33 GHz
43
43