AMD Ryzen 9 3900X vs AMD A8-7670K

Comparative analysis of AMD Ryzen 9 3900X and AMD A8-7670K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Graphics, Graphics interfaces, Graphics API support, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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 Ryzen 9 3900X

AMD A8-7670K

Differences

Reasons to consider the AMD Ryzen 9 3900X

8 more cores, run more applications at once: 12 vs 4
20 more threads: 24 vs 4
Around 117849% higher clock speed: 4600 MHz vs 3.9 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 28 nm
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 82% better performance in PassMark - Single thread mark: 2707 vs 1485
10.2x better performance in PassMark - CPU mark: 32659 vs 3192
2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 30.575 vs 14.634
Around 52% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.745 vs 1.151

Specifications (specs)
Number of cores	12 vs 4
Number of threads	24 vs 4
Maximum frequency	4600 MHz vs 3.9 GHz
Manufacturing process technology	7 nm vs 28 nm
L2 cache	6 MB vs 4 MB
Benchmarks
PassMark - Single thread mark	2707 vs 1485
PassMark - CPU mark	32659 vs 3192
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	30.575 vs 14.634
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.745 vs 1.151

Reasons to consider the AMD A8-7670K

Around 11% lower typical power consumption: 95 Watt vs 105 Watt
Around 76% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 126.662 vs 72.097
3.5x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 20.723 vs 5.887
3x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 67.072 vs 22.686

Specifications (specs)
Thermal Design Power (TDP)	95 Watt vs 105 Watt
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	126.662 vs 72.097
CompuBench 1.5 Desktop - Video Composition (Frames/s)	20.723 vs 5.887
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	67.072 vs 22.686

Compare benchmarks

CPU 1: AMD Ryzen 9 3900X
CPU 2: AMD A8-7670K

PassMark - Single thread mark

CPU 1

CPU 2

2707

1485

PassMark - CPU mark

CPU 1

CPU 2

32659

3192

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

30.575

14.634

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

CPU 1

CPU 2

72.097

126.662

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

CPU 1

CPU 2

1.745

1.151

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

5.887

20.723

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

22.686

67.072

Name	AMD Ryzen 9 3900X	AMD A8-7670K
PassMark - Single thread mark	2707	1485
PassMark - CPU mark	32659	3192
Geekbench 4 - Single Core	1276
Geekbench 4 - Multi-Core	12037
3DMark Fire Strike - Physics Score	8594
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	30.575	14.634
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	72.097	126.662
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.745	1.151
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.887	20.723
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	22.686	67.072
GFXBench 4.0 - Car Chase Offscreen (Frames)		1882
GFXBench 4.0 - Manhattan (Frames)		2436
GFXBench 4.0 - T-Rex (Frames)		7326
GFXBench 4.0 - Car Chase Offscreen (Fps)		1882
GFXBench 4.0 - Manhattan (Fps)		2436
GFXBench 4.0 - T-Rex (Fps)		7326

Compare specifications (specs)

	AMD Ryzen 9 3900X	AMD A8-7670K
Essentials
Architecture codename	Zen 2
Family	Ryzen	AMD A-Series Processors
Launch date	7 July 2019
OPN PIB	100-100000023BOX	AD767KXBJCSBX
OPN Tray	100-000000023
Place in performance rating	1006	826
Vertical segment	Desktop	Desktop
Series		AMD A8-Series APU for Desktops
Performance
Base frequency	3800 MHz	3.6 GHz
L2 cache	6 MB	4 MB
L3 cache	64 MB
Manufacturing process technology	7 nm	28 nm
Maximum frequency	4600 MHz	3.9 GHz
Number of cores	12	4
Number of threads	24	4
Unlocked
Compute Cores		10
L1 cache		256 KB
Maximum core temperature		72.40°C
Number of GPU cores		6
Memory
Max memory channels	2	2
Supported memory types	DDR4-3200
Supported memory frequency		2133 MHz
Compatibility
Sockets supported	AM4	FM2+
Thermal Design Power (TDP)	105 Watt	95 Watt
Thermal Solution		Near Silent 95W
Peripherals
PCI Express revision	4.0
PCIe configurations	x16
Graphics
Enduro
Graphics max frequency		757 MHz
iGPU core count		512
Processor graphics		AMD Radeon R7 Graphics
Switchable graphics
Unified Video Decoder (UVD)
Video Codec Engine (VCE)
Graphics interfaces
DisplayPort
HDMI
Graphics API support
DirectX		12
Vulkan
Advanced Technologies
AMD App Acceleration
AMD Elite Experiences
AMD HD3D technology
AMD Mantle API
DualGraphics
FreeSync
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
PowerTune
TrueAudio
Virtualization
AMD Virtualization (AMD-V™)