AMD A6-7400K vs AMD Phenom II X3 B77

Comparative analysis of AMD A6-7400K and AMD Phenom II X3 B77 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).

 

Differences

Reasons to consider the AMD A6-7400K

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 22% higher clock speed: 3.9 GHz vs 3.2 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 45 nm
  • Around 46% lower typical power consumption: 65 Watt vs 95 Watt
  • Around 10% better performance in PassMark - Single thread mark: 1438 vs 1310
Specifications (specs)
Unlocked Unlocked vs Locked
Maximum frequency 3.9 GHz vs 3.2 GHz
Manufacturing process technology 28 nm vs 45 nm
Thermal Design Power (TDP) 65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark 1438 vs 1310

Reasons to consider the AMD Phenom II X3 B77

  • 1 more cores, run more applications at once: 3 vs 2
  • 1 more threads: 3 vs 2
  • 3x more L1 cache, more data can be stored in the L1 cache for quick access later
  • Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 13% better performance in PassMark - CPU mark: 1844 vs 1631
Specifications (specs)
Number of cores 3 vs 2
Number of threads 3 vs 2
L1 cache 128 KB (per core) vs 128 KB
L2 cache 512 KB (per core) vs 1 MB
Benchmarks
PassMark - CPU mark 1844 vs 1631

Compare benchmarks

CPU 1: AMD A6-7400K
CPU 2: AMD Phenom II X3 B77

PassMark - Single thread mark
CPU 1
CPU 2
1438
1310
PassMark - CPU mark
CPU 1
CPU 2
1631
1844
Name AMD A6-7400K AMD Phenom II X3 B77
PassMark - Single thread mark 1438 1310
PassMark - CPU mark 1631 1844
Geekbench 4 - Single Core 437
Geekbench 4 - Multi-Core 724
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.362
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 X3 B77

Essentials

Family AMD A-Series Processors AMD Phenom
OPN PIB AD740KYBJABOX
OPN Tray AD740KYBI23JA HDXB77WFK3DGM
Place in performance rating 1929 1936
Series AMD A6-Series APU for Desktops AMD Business Class - AMD Phenom X3 Triple-Core
Vertical segment Desktop Desktop
Architecture codename Heka
Launch date May 2010
Price now $26.59
Value for money (0-100) 33.97

Performance

Base frequency 3.5 GHz 3.2 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 3.2 GHz
Number of cores 2 3
Number of GPU cores 4
Number of threads 2 3
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 95 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