AMD Radeon Pro V420 vs AMD Radeon RX 7900M
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Oct 2023
Generation
Radeon Pro Vega
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
800 MHz
1825 MHz
Boost Clock
1700 MHz
2090 MHz
Memory Clock
800 MHz
2250 MHz
Memory
Memory Size
32GB
16GB
Memory Type
HBM2
GDDR6
Memory Bus
4096bit
256bit
Bandwidth
819.2GB/s
576.0GB/s
Render Config
Compute Units
64
72
Shading Units
4096
4608
TMUs
256
288
ROPs
64
192
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
4 MB
6 MB
RT Cores
—
72
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
108.8 GPixel/s
401.3 GPixel/s
Texture Rate
435.2 GTexel/s
601.9 GTexel/s
FP16 (half)
27.85 TFLOPS
77.05 TFLOPS
FP32 (float)
13.93 TFLOPS
38.52 TFLOPS
FP64 (double)
6.963 TFLOPS
1204 GFLOPS
Graphics Processor
GPU Name
Vega 20
Navi 31
GPU Variant
Vega 20 GLXT WS(215-0914026)
Navi 31
Architecture
GCN 5.1
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
13.23 billion
57.7 billion
Die Size
331 mm²
529 mm²
Board Design
TDP
300W
180W
Suggested PSU
700 W
—
Outputs
6x mini-DisplayPort 1.4a
Portable Device Dependent
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
2.2
Vulkan
1.3
1.3
Shader Model
6.7
6.8
Benchmark
3DMark Time Spy
—
18,218
3DMark Time Spy Extreme
—
8,440
3DMark Speed Way
—
3,943
Blender
—
2,583
▲ Specs Compare
Data sourced from official specifications and benchmark tests.