AMD Radeon Pro V420 vs AMD Radeon 660M
GPU Specs Compare
Graphics Card
Release Date
Unknown
Jan 2022
Generation
Radeon Pro Vega
Rembrandt
Type
Desktop
Integrated
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
800 MHz
1500 MHz
Boost Clock
1700 MHz
1900 MHz
Memory Clock
800 MHz
System Shared
Memory
Memory Size
32GB
System Shared
Memory Type
HBM2
System Shared
Memory Bus
4096bit
System Shared
Bandwidth
819.2GB/s
System Dependent
Render Config
Compute Units
64
6
Shading Units
4096
384
TMUs
256
24
ROPs
64
16
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
2 MB
RT Cores
-
6
Theoretical Performance
Pixel Rate
108.8 GPixel/s
30.40 GPixel/s
Texture Rate
435.2 GTexel/s
45.60 GTexel/s
FP16 (half)
27.85 TFLOPS
2.918 TFLOPS
FP32 (float)
13.93 TFLOPS
1459 GFLOPS
FP64 (double)
6.963 TFLOPS
91.20 GFLOPS
Graphics Processor
GPU Name
Vega 20
Rembrandt
GPU Variant
Vega 20 GLXT WS(215-0914026)
-
Architecture
GCN 5.1
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
6 nm
Transistors
13.23 billion
13.1 billion
Die Size
331 mm²
210 mm²
Board Design
TDP
300W
15W
Suggested PSU
700 W
-
Outputs
6x mini-DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.7
6.5
📊 Benchmark
3DMark Time Spy
-
1,537
3DMark Time Spy Extreme
-
701