AMD Ryzen 9 3900 vs AMD A10-7870K

Comparative analysis of AMD Ryzen 9 3900 and AMD A10-7870K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics API support. Benchmark processor performance analysis: 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), PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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 3900

AMD A10-7870K

Differences

Reasons to consider the AMD Ryzen 9 3900

CPU is newer: launch date 4 year(s) 4 month(s) later
8 more cores, run more applications at once: 12 vs 4
20 more threads: 24 vs 4
Around 104778% higher clock speed: 4300 MHz vs 4.1 GHz
Around 31% higher maximum core temperature: 95 °C vs 72.40°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 28 nm
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 46% lower typical power consumption: 65 Watt vs 95 Watt
6.5x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 30.97 vs 4.777
5x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 70.972 vs 14.063
9x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.748 vs 0.195
3.7x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 19.043 vs 5.143

Specifications (specs)
Launch date	24 Sep 2019 vs May 2015
Number of cores	12 vs 4
Number of threads	24 vs 4
Maximum frequency	4300 MHz vs 4.1 GHz
Maximum core temperature	95 °C vs 72.40°C
Manufacturing process technology	7 nm vs 28 nm
L1 cache	768 KB vs 256 KB
L2 cache	6 MB vs 4 MB
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	30.97 vs 4.777
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	70.972 vs 14.063
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.748 vs 0.195
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	19.043 vs 5.143

Reasons to consider the AMD A10-7870K

6.7x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 32.901 vs 4.924

Benchmarks
CompuBench 1.5 Desktop - Video Composition (Frames/s)	32.901 vs 4.924

Compare benchmarks

CPU 1: AMD Ryzen 9 3900
CPU 2: AMD A10-7870K

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

30.97

4.777

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

CPU 1

CPU 2

70.972

14.063

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

CPU 1

CPU 2

1.748

0.195

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

4.924

32.901

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

19.043

5.143

Name	AMD Ryzen 9 3900	AMD A10-7870K
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	30.97	4.777
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	70.972	14.063
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.748	0.195
CompuBench 1.5 Desktop - Video Composition (Frames/s)	4.924	32.901
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	19.043	5.143
PassMark - Single thread mark		1501
PassMark - CPU mark		3434
Geekbench 4 - Single Core		512
Geekbench 4 - Multi-Core		1581
GFXBench 4.0 - Car Chase Offscreen (Frames)		2085
GFXBench 4.0 - Manhattan (Frames)		1897
GFXBench 4.0 - T-Rex (Frames)		4904
GFXBench 4.0 - Car Chase Offscreen (Fps)		2085
GFXBench 4.0 - Manhattan (Fps)		1897
GFXBench 4.0 - T-Rex (Fps)		4904

Compare specifications (specs)

	AMD Ryzen 9 3900	AMD A10-7870K
Essentials
Architecture codename	Zen 2	Kaveri
Launch date	24 Sep 2019	May 2015
OPN Tray	100-000000070	AD787KXDI44JC
Place in performance rating	1371	1336
Vertical segment	Desktop	Desktop
Family		AMD A-Series Processors
Launch price (MSRP)		$120
OPN PIB		AD787KXDJCBOX
Price now		$249.99
Series		AMD A10-Series APU for Desktops
Value for money (0-100)		6.44
Performance
64 bit support
Base frequency	3100 MHz	3.9 GHz
L1 cache	768 KB	256 KB
L2 cache	6 MB	4 MB
L3 cache	64 MB
Manufacturing process technology	7 nm	28 nm
Maximum core temperature	95 °C	72.40°C
Maximum frequency	4300 MHz	4.1 GHz
Number of cores	12	4
Number of threads	24	4
Unlocked
Compute Cores		12
Die size		246 mm
Maximum case temperature (TCase)		74 °C
Number of GPU cores		8
Transistor count		1178 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	47.68 GB/s
Maximum memory size	128 GB
Supported memory types	DDR4-3200	DDR3
Supported memory frequency		2133 MHz
Compatibility
Sockets supported	AM4	FM2+
Thermal Design Power (TDP)	65 Watt	95 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	20
PCI Express revision	4.0	3.0
PCIe configurations	1x16+x4, 2x8+x4, 1x8+2x4+x4
Advanced Technologies
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
AMD App Acceleration
AMD Elite Experiences
AMD HD3D technology
AMD Mantle API
DualGraphics
Frame Rate Target Control (FRTC)
FreeSync
Fused Multiply-Add (FMA)
Fused Multiply-Add 4 (FMA4)
Heterogeneous System Architecture (HSA)
Intel® AES New Instructions
Out-of-band client management
PowerGating
PowerNow
PowerTune
System Image Stability
TrueAudio
VirusProtect
Virtualization
AMD Virtualization (AMD-V™)
IOMMU 2.0
Graphics
Enduro
Graphics max frequency		866 MHz
iGPU core count		512
Number of pipelines		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