Intel Core i7-2640M vs Intel Core Solo U1400

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CPU comparison with benchmarks


Intel Core i7-2640M CPU1 vs CPU2 Intel Core Solo U1400
Intel Core i7-2640M Intel Core Solo U1400

CPU comparison

Intel Core i7-2640M or Intel Core Solo U1400 - 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 i7-2640M has 2 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core i7-2640M was released in Q4/2011.

The Intel Core Solo U1400 has 1 cores with 1 threads and clocks with a maximum frequency of 1.20 GHz. The CPU supports up to GB of memory in 0 memory channels. The Intel Core Solo U1400 was released in .
Intel Core i7 (298) Family Intel Core Solo (4)
Intel Core i 2000M (46) CPU group Intel Core Solo T1000/U1000 (4)
2 Generation 1
Sandy Bridge H Architecture Yonah
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-2640M is a 2 core processor with a clock frequency of 2.80 GHz (3.50 GHz). The Intel Core Solo U1400 has 1 CPU cores with a clock frequency of 1.20 GHz.

Intel Core i7-2640M Characteristic Intel Core Solo U1400
2 Cores 1
4 Threads 1
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.80 GHz Frequency 1.20 GHz
3.50 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 i7-2640M Characteristic Intel Core Solo U1400
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel HD Graphics 3000 GPU no iGPU
0.65 GHz GPU frequency --
1.30 GHz GPU (Turbo) --
6 GPU Generation --
32 nm Technology
2 Max. displays
12 Compute units --
96 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 3000 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i7-2640M supports a maximum of 16 GB of memory in 2 memory channels. The Intel Core Solo U1400 can connect up to GB of memory in 0 memory channels.

Intel Core i7-2640M Characteristic Intel Core Solo U1400
DDR3-1066, DDR3-1333 Memory
16 GB Max. Memory
2 (Dual Channel) Memory channels 0
21.3 GB/s Max. Bandwidth --
No ECC No
-- L2 Cache 2.00 MB
4.00 MB L3 Cache --
2.0 PCIe version --
16 PCIe lanes --
8.0 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-2640M has a TDP of 35 W, that of the Intel Core Solo U1400 is 6 W.

Intel Core i7-2640M Characteristic Intel Core Solo U1400
35 W TDP (PL1 / PBP) 6 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i7-2640M has a 4.00 MB cache, while the Intel Core Solo U1400 cache has a total of 2.00 MB.

Intel Core i7-2640M Characteristic Intel Core Solo U1400
32 nm Technology 65 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-32 (32 bit)
SSE4.1, SSE4.2, AVX ISA extensions --
BGA 1023 Socket BGA 479
VT-x, VT-x EPT Virtualization None
Yes AES-NI No
Windows 10, Linux Operating systems
Q4/2011 Release date
280 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
Intel Core i7-2640M (0%)
Intel Core Solo U1400 (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Core i7-2640M (100%)
Intel Core Solo U1400 (5%)

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 i7-2640M Intel Core i7-2640M
2C 4T @ 2.80 GHz
2477 (100%)
Intel Core Solo U1400 Intel Core Solo U1400
1C 1T @ 1.20 GHz
131 (5%)

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 i7-2640M Intel Core i7-2640M
2C 4T @ 3.50 GHz
662 (100%)
Intel Core Solo U1400 Intel Core Solo U1400
1C 1T @ 1.20 GHz
0 (0%)

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 i7-2640M Intel Core i7-2640M
2C 4T @ 2.80 GHz
1431 (100%)
Intel Core Solo U1400 Intel Core Solo U1400
1C 1T @ 1.20 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i7-2640M Intel Core i7-2640M
2C 4T @ 3.50 GHz
563 (100%)
Intel Core Solo U1400 Intel Core Solo U1400
1C 1T @ 1.20 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i7-2640M Intel Core i7-2640M
2C 4T @ 2.80 GHz
1184 (100%)
Intel Core Solo U1400 Intel Core Solo U1400
1C 1T @ 1.20 GHz
0 (0%)

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 i7-2640M Intel Core i7-2640M
Intel HD Graphics 3000 @ 1.30 GHz
250 (100%)
Intel Core Solo U1400 Intel Core Solo U1400
@ 0.00 GHz
0 (0%)

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 i7-2640M Intel Core i7-2640M
2C 4T @ 2.80 GHz
779 (100%)
Intel Core Solo U1400 Intel Core Solo U1400
1C 1T @ 1.20 GHz
0 (0%)

Devices using this processor

Intel Core i7-2640M Intel Core Solo U1400
Unknown Unknown

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