AMD Sempron 2650 vs AMD Phenom II X4 940 BE

Comparative analysis of AMD Sempron 2650 and AMD Phenom II X4 940 BE processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics API support, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Sempron 2650

AMD Phenom II X4 940 BE

Differences

Reasons to consider the AMD Sempron 2650

A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 45 nm
5x lower typical power consumption: 25 Watt vs 125 Watt
7.6x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 84.309 vs 11.035
Around 61% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.31 vs 0.192
3.6x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 13.811 vs 3.856

Specifications (specs)
Manufacturing process technology	28 nm vs 45 nm
Thermal Design Power (TDP)	25 Watt vs 125 Watt
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	84.309 vs 11.035
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.31 vs 0.192
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	13.811 vs 3.856

Reasons to consider the AMD Phenom II X4 940 BE

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
4x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.5x better performance in PassMark - Single thread mark: 1213 vs 477
4.3x better performance in PassMark - CPU mark: 2358 vs 551
2.6x better performance in Geekbench 4 - Single Core: 397 vs 151
5.3x better performance in Geekbench 4 - Multi-Core: 1331 vs 253
Around 1% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.763 vs 3.724

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
L1 cache	128 KB (per core) vs 128 KB
L2 cache	512 KB (per core) vs 1 MB
Benchmarks
PassMark - Single thread mark	1213 vs 477
PassMark - CPU mark	2358 vs 551
Geekbench 4 - Single Core	397 vs 151
Geekbench 4 - Multi-Core	1331 vs 253
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.763 vs 3.724

Compare benchmarks

CPU 1: AMD Sempron 2650
CPU 2: AMD Phenom II X4 940 BE

PassMark - Single thread mark

CPU 1

CPU 2

477

1213

PassMark - CPU mark

CPU 1

CPU 2

551

2358

Geekbench 4 - Single Core

CPU 1

CPU 2

151

397

Geekbench 4 - Multi-Core

CPU 1

CPU 2

253

1331

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.724

3.763

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

84.309

11.035

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.31

0.192

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

13.811

3.856

Name	AMD Sempron 2650	AMD Phenom II X4 940 BE
PassMark - Single thread mark	477	1213
PassMark - CPU mark	551	2358
Geekbench 4 - Single Core	151	397
Geekbench 4 - Multi-Core	253	1331
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.724	3.763
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	84.309	11.035
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.31	0.192
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.299
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	13.811	3.856

Compare specifications (specs)

	AMD Sempron 2650	AMD Phenom II X4 940 BE
Essentials
Family	AMD Sempron
OPN PIB	SD2650JAHMBOX
OPN Tray	SD2650JAH23HM
Place in performance rating	2886	2867
Series	AMD Sempron Dual-Core APU
Vertical segment	Desktop	Desktop
Architecture codename		Deneb
Launch date		January 2009
Performance
Base frequency	1.45 GHz
L1 cache	128 KB	128 KB (per core)
L2 cache	1 MB	512 KB (per core)
Manufacturing process technology	28 nm	45 nm
Maximum core temperature	90°C
Number of cores	2	4
Number of threads	2
Unlocked
64 bit support
Die size		258 mm
L3 cache		6144 KB (shared)
Maximum frequency		3 GHz
Transistor count		758 million
Memory
Max memory channels	1
Supported memory frequency	1333 MHz
Supported memory types		DDR3
Graphics
Enduro
Graphics max frequency	400 MHz
iGPU core count	128
Processor graphics	AMD Radeon R3 Graphics
Switchable graphics
Unified Video Decoder (UVD)
Video Codec Engine (VCE)
Graphics interfaces
DisplayPort
HDMI
Graphics API support
DirectX	12
Vulkan
Compatibility
Sockets supported	AM1	AM3
Thermal Design Power (TDP)	25 Watt	125 Watt
Max number of CPUs in a configuration		1
Advanced Technologies
AMD App Acceleration
AMD Elite Experiences
AMD HD3D technology
Enhanced Virus Protection (EVP)
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
PowerGating
PowerNow
Virtualization
AMD Virtualization (AMD-V™)
IOMMU 2.0