AMD Radeon RX 6650M XT vs AMD Radeon Pro V420
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Unknown
Generation
Mobility Radeon
Radeon Pro Vega
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
2068 MHz
800 MHz
Boost Clock
2416 MHz
1700 MHz
Memory Clock
2000 MHz
800 MHz
Memory
Memory Size
8GB
32GB
Memory Type
GDDR6
HBM2
Memory Bus
128bit
4096bit
Bandwidth
256.0GB/s
819.2GB/s
Render Config
Compute Units
32
64
Shading Units
2048
4096
TMUs
128
256
ROPs
64
64
RT Cores
32
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
154.6 GPixel/s
108.8 GPixel/s
Texture Rate
309.2 GTexel/s
435.2 GTexel/s
FP16 (half)
19.79 TFLOPS
27.85 TFLOPS
FP32 (float)
9.896 TFLOPS
13.93 TFLOPS
FP64 (double)
618.5 GFLOPS
6.963 TFLOPS
Graphics Processor
GPU Name
Navi 23
Vega 20
Architecture
RDNA 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
11.06 billion
13.23 billion
Die Size
237 mm²
331 mm²
GPU Variant
-
Vega 20 GLXT WS(215-0914026)
Board Design
TDP
120W
300W
Outputs
No outputs
6x mini-DisplayPort 1.4a
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.3
Shader Model
6.5
6.7