AMD Radeon VII vs AMD Radeon RX 640 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Feb 2019
May 2019
Generation
Vega II
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1400 MHz
1082 MHz
Boost Clock
1750 MHz
1218 MHz
Memory Clock
1000 MHz
1500 MHz
Memory
Memory Size
16GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
64bit
Bandwidth
1020GB/s
48.00GB/s
Render Config
Compute Units
60
10
Shading Units
3840
640
TMUs
240
40
ROPs
64
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
112.0 GPixel/s
19.49 GPixel/s
Texture Rate
420.0 GTexel/s
48.72 GTexel/s
FP16 (half)
26.88 TFLOPS
1.559 TFLOPS
FP32 (float)
13.44 TFLOPS
1.559 TFLOPS
FP64 (double)
3.360 TFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
Vega 20
Polaris 23
GPU Variant
Vega 20 XT
Polaris 23 XT
Architecture
GCN 5.1
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
13.23 billion
2.2 billion
Die Size
331 mm²
103 mm²
Board Design
TDP
295W
50W
Suggested PSU
600 W
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.7
6.4
Benchmark
3DMark Time Spy
8,923
—
3DMark Time Spy Extreme
4,374
—
Blender
772
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.