AMD Radeon RX 640 vs AMD Radeon Vega 3 Mobile

Comparative analysis of AMD Radeon RX 640 and AMD Radeon Vega 3 Mobile videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the AMD Radeon RX 640

  • Videocard is newer: launch date 1 year(s) 3 month(s) later
  • 3.6x more core clock speed: 1082 MHz vs 300 MHz
  • Around 20% higher boost clock speed: 1218 MHz vs 1011 MHz
  • 2.3x better performance in Geekbench - OpenCL: 10390 vs 4468
  • Around 8% better performance in PassMark - G2D Mark: 339 vs 314
  • Around 89% better performance in PassMark - G3D Mark: 1954 vs 1034
Specifications (specs)
Launch date 13 May 2019 vs 1 February 2018
Core clock speed 1082 MHz vs 300 MHz
Boost clock speed 1218 MHz vs 1011 MHz
Benchmarks
Geekbench - OpenCL 10390 vs 4468
PassMark - G2D Mark 339 vs 314
PassMark - G3D Mark 1954 vs 1034

Reasons to consider the AMD Radeon Vega 3 Mobile

  • 3.3x lower typical power consumption: 15 Watt vs 50 Watt
  • Around 5% better performance in GFXBench 4.0 - Manhattan (Frames): 1850 vs 1769
  • Around 5% better performance in GFXBench 4.0 - Manhattan (Fps): 1850 vs 1769
  • Around 15% better performance in GFXBench 4.0 - T-Rex (Frames): 3180 vs 2775
  • Around 15% better performance in GFXBench 4.0 - T-Rex (Fps): 3180 vs 2775
Specifications (specs)
Thermal Design Power (TDP) 15 Watt vs 50 Watt
Benchmarks
GFXBench 4.0 - Manhattan (Frames) 1850 vs 1769
GFXBench 4.0 - Manhattan (Fps) 1850 vs 1769
GFXBench 4.0 - T-Rex (Frames) 3180 vs 2775
GFXBench 4.0 - T-Rex (Fps) 3180 vs 2775

Compare benchmarks

GPU 1: AMD Radeon RX 640
GPU 2: AMD Radeon Vega 3 Mobile

GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
1769
1850
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
1769
1850
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
2775
3180
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
2775
3180
Geekbench - OpenCL
GPU 1
GPU 2
10390
4468
PassMark - G2D Mark
GPU 1
GPU 2
339
314
PassMark - G3D Mark
GPU 1
GPU 2
1954
1034
Name AMD Radeon RX 640 AMD Radeon Vega 3 Mobile
GFXBench 4.0 - Manhattan (Frames) 1769 1850
GFXBench 4.0 - Manhattan (Fps) 1769 1850
GFXBench 4.0 - T-Rex (Frames) 2775 3180
GFXBench 4.0 - T-Rex (Fps) 2775 3180
GFXBench 4.0 - Car Chase Offscreen (Frames) 3278
GFXBench 4.0 - Car Chase Offscreen (Fps) 3278
Geekbench - OpenCL 10390 4468
PassMark - G2D Mark 339 314
PassMark - G3D Mark 1954 1034
3DMark Fire Strike - Graphics Score 404

Compare specifications (specs)

AMD Radeon RX 640 AMD Radeon Vega 3 Mobile

Essentials

Architecture GCN 4.0 GCN 5.0
Code name Arctic Islands Raven
Launch date 13 May 2019 1 February 2018
Place in performance rating 811 1017
Type Desktop

Technical info

Boost clock speed 1218 MHz 1011 MHz
Compute units 8
Core clock speed 1082 MHz 300 MHz
Manufacturing process technology 14 nm 14 nm
Peak Double Precision (FP64) Performance 77.95 GFLOPS
Peak Half Precision (FP16) Performance 1247 GFLOPS
Peak Single Precision (FP32) Performance 1247 GFLOPS
Pipelines 512
Pixel fill rate 19.49 GPixel/s
Texture fill rate 38.98 GTexel/s
Thermal Design Power (TDP) 50 Watt 15 Watt
Transistor count 2200 million 4,940 million

Video outputs and ports

Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
DisplayPort support
HDMI

Compatibility, dimensions and requirements

Interface PCIe 3.0 x8 IGP
Length 5.7 inches (145 mm)
Recommended system power (PSU) 350 Watt
Supplementary power connectors None
Width Dual-slot

API support

DirectX 12 12.0 (12_1)
OpenCL 2.0
OpenGL 4.6 4.6
Shader Model 6.4
Vulkan

Memory

Maximum RAM amount 2 GB
Memory bandwidth 112.0 GB/s
Memory bus width 128 bit
Memory clock speed 1750 MHz (7000 MHz effective)
Memory type GDDR5

Technologies

Unified Video Decoder (UVD)
Video Code Engine (VCE)