AMD A6-7400K vs AMD Phenom II X4 905e

Comparative analysis of AMD A6-7400K and AMD Phenom II X4 905e 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD A6-7400K

AMD Phenom II X4 905e

Differences

Reasons to consider the AMD A6-7400K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 56% higher clock speed: 3.9 GHz vs 2.5 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 45 nm
Around 40% better performance in PassMark - Single thread mark: 1446 vs 1034

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.9 GHz vs 2.5 GHz
Manufacturing process technology	28 nm vs 45 nm
Benchmarks
PassMark - Single thread mark	1446 vs 1034

Reasons to consider the AMD Phenom II X4 905e

2 more cores, run more applications at once: 4 vs 2
2 more threads: 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
Around 22% better performance in PassMark - CPU mark: 2014 vs 1656
3.8x better performance in Geekbench 4 - Single Core: 1662 vs 437
6.5x better performance in Geekbench 4 - Multi-Core: 4721 vs 724
Around 48% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.495 vs 2.362

Specifications (specs)
Number of cores	4 vs 2
Number of threads	4 vs 2
L1 cache	128 KB (per core) vs 128 KB
L2 cache	512 KB (per core) vs 1 MB
Benchmarks
PassMark - CPU mark	2014 vs 1656
Geekbench 4 - Single Core	1662 vs 437
Geekbench 4 - Multi-Core	4721 vs 724
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.495 vs 2.362

Compare benchmarks

CPU 1: AMD A6-7400K
CPU 2: AMD Phenom II X4 905e

PassMark - Single thread mark

CPU 1

CPU 2

1446

1034

PassMark - CPU mark

CPU 1

CPU 2

1656

2014

Geekbench 4 - Single Core

CPU 1

CPU 2

437

1662

Geekbench 4 - Multi-Core

CPU 1

CPU 2

724

4721

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.362

3.495

Name	AMD A6-7400K	AMD Phenom II X4 905e
PassMark - Single thread mark	1446	1034
PassMark - CPU mark	1656	2014
Geekbench 4 - Single Core	437	1662
Geekbench 4 - Multi-Core	724	4721
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.362	3.495
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	2.939
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.108
CompuBench 1.5 Desktop - Video Composition (Frames/s)	16.806
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.4
GFXBench 4.0 - Car Chase Offscreen (Frames)	1162
GFXBench 4.0 - Manhattan (Frames)	1842
GFXBench 4.0 - T-Rex (Frames)	3346
GFXBench 4.0 - Car Chase Offscreen (Fps)	1162
GFXBench 4.0 - Manhattan (Fps)	1842
GFXBench 4.0 - T-Rex (Fps)	3346

Compare specifications (specs)

	AMD A6-7400K	AMD Phenom II X4 905e
Essentials
Family	AMD A-Series Processors
OPN PIB	AD740KYBJABOX
OPN Tray	AD740KYBI23JA
Place in performance rating	1915	1938
Series	AMD A6-Series APU for Desktops	4x Phenom II (Desktop)
Vertical segment	Desktop	Desktop
Architecture codename		Deneb
Launch date		June 2009
Launch price (MSRP)		$212
Price now		$53.99
Value for money (0-100)		16.84
Performance
Base frequency	3.5 GHz
Compute Cores	6
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	70°C
Maximum frequency	3.9 GHz	2.5 GHz
Number of cores	2	4
Number of GPU cores	4
Number of threads	2	4
Unlocked
64 bit support
Die size		258 mm
L3 cache		6144 KB (shared)
Transistor count		758 million
Memory
Max memory channels	2
Supported memory frequency	1866 MHz
Supported memory types		DDR3
Graphics
Enduro
Graphics max frequency	758 MHz
iGPU core count	256
Processor graphics	AMD Radeon R5 Graphics
Switchable graphics
Unified Video Decoder (UVD)
Video Codec Engine (VCE)
Graphics interfaces
DisplayPort
HDMI
Graphics API support
DirectX	12
Vulkan
Compatibility
Configurable TDP	45 Watt/65 Watt
Sockets supported	FM2+	AM3
Thermal Design Power (TDP)	65 Watt	65 Watt
Max number of CPUs in a configuration		1
Advanced Technologies
AMD App Acceleration
AMD Elite Experiences
AMD HD3D technology
AMD Mantle API
Enhanced Virus Protection (EVP)
FreeSync
Fused Multiply-Add 4 (FMA4)
Heterogeneous System Architecture (HSA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Out-of-band client management
PowerGating
PowerNow
System Image Stability
TrueAudio
Virtualization
AMD Virtualization (AMD-V™)
IOMMU 2.0