AMD Sempron 2650 vs Intel Core i7-4650U

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CPU comparison with benchmarks


AMD Sempron 2650 CPU1 vs CPU2 Intel Core i7-4650U
AMD Sempron 2650 Intel Core i7-4650U

CPU comparison

In this CPU comparison, we compare the AMD Sempron 2650 and the Intel Core i7-4650U and use benchmarks to check which processor is faster.

We compare the AMD Sempron 2650 2 core processor released in Q2/2014 with the Intel Core i7-4650U which has 2 CPU cores and was introduced in Q3/2013.
AMD Sempron (2) Family Intel Core i7 (298)
AMD Sempron 2000/3000 (2) CPU group Intel Core i 4000U (26)
1 Generation 4
Kabini (Jaguar) Architecture Haswell U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor Intel Core i7-5650U

CPU Cores and Base Frequency

The AMD Sempron 2650 is a 2 core processor with a clock frequency of 1.45 GHz. The processor can compute 2 threads at the same time. The Intel Core i7-4650U clocks with 1.70 GHz (3.30 GHz), has 2 CPU cores and can calculate 4 threads in parallel.

AMD Sempron 2650 Characteristic Intel Core i7-4650U
2 Cores 2
2 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.45 GHz Frequency 1.70 GHz
-- Turbo Frequency (1 Core) 3.30 GHz
-- Turbo Frequency (All Cores) 2.90 GHz

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.

AMD Sempron 2650 Characteristic Intel Core i7-4650U
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon HD 8240 GPU Intel HD Graphics 5000
0.40 GHz GPU frequency 0.20 GHz
-- GPU (Turbo) 1.10 GHz
5 GPU Generation 7.5
28 nm Technology 22 nm
2 Max. displays 3
2 Compute units 40
128 Shader 320
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.1 DirectX Version 11.1

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.

AMD Radeon HD 8240 GPU Intel HD Graphics 5000
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

Up to 8 GB of memory in a maximum of 1 memory channels is supported by the AMD Sempron 2650, while the Intel Core i7-4650U supports a maximum of 16 GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled.

AMD Sempron 2650 Characteristic Intel Core i7-4650U
DDR3L-1333 Memory DDR3L-1600
8 GB Max. Memory 16 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
10.7 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
1.00 MB L2 Cache --
-- L3 Cache 4.00 MB
2.0 PCIe version 2.0
4 PCIe lanes 12
2.0 GB/s PCIe Bandwidth 6.0 GB/s

Thermal Management

The AMD Sempron 2650 has a TDP of 25 W. The TDP of the Intel Core i7-4650U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Sempron 2650 Characteristic Intel Core i7-4650U
25 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. --

Technical details

The AMD Sempron 2650 has 1.00 MB cache and is manufactured in 28 nm. The cache of Intel Core i7-4650U is at 4.00 MB. The processor is manufactured in 22 nm.

AMD Sempron 2650 Characteristic Intel Core i7-4650U
28 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX2
AM1 Socket BGA 1168
AMD-V Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2014 Release date Q3/2013
26 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Sempron 2650 (19%)
Intel Core i7-4650U (100%)
⌀ Multi core performance in 3 CPU benchmarks
AMD Sempron 2650 (21%)
Intel Core i7-4650U (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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
178 (21%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 3.30 GHz
829 (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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
340 (23%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 2.90 GHz
1467 (100%)

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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
161 (17%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 3.30 GHz
950 (100%)

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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
273 (16%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 2.90 GHz
1755 (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.
AMD Sempron 2650 AMD Sempron 2650
AMD Radeon HD 8240 @ 0.40 GHz
102 (14%)
Intel Core i7-4650U Intel Core i7-4650U
Intel HD Graphics 5000 @ 1.10 GHz
704 (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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
564 (24%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 2.90 GHz
2384 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
0 (0%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 3.30 GHz
381 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
0 (0%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 2.90 GHz
902 (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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
0 (0%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 3.30 GHz
132 (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.
AMD Sempron 2650 AMD Sempron 2650
2C 2T @ 1.45 GHz
0 (0%)
Intel Core i7-4650U Intel Core i7-4650U
2C 4T @ 2.90 GHz
291 (100%)

Devices using this processor

AMD Sempron 2650 Intel Core i7-4650U
Unknown Apple MacBook AIR (2013)

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