AMD Radeon Pro Vega 20 vs NVIDIA GeForce RTX 4090 Mobile
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
Jan 2023
Generation
Radeon Pro Mac
GeForce 40 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
815 MHz
1335 MHz
Boost Clock
1283 MHz
1695 MHz
Memory Clock
740 MHz
2250 MHz
Memory
Memory Size
4GB
16GB
Memory Type
HBM2
GDDR6
Memory Bus
1024bit
256bit
Bandwidth
189.4GB/s
576.0GB/s
Render Config
Compute Units
20
-
Shading Units
1280
9728
TMUs
80
304
ROPs
32
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
64 MB
SM Count
-
76
Tensor Cores
-
304
RT Cores
-
76
Theoretical Performance
Pixel Rate
41.06 GPixel/s
189.8 GPixel/s
Texture Rate
102.6 GTexel/s
515.3 GTexel/s
FP16 (half)
6.569 TFLOPS
32.98 TFLOPS
FP32 (float)
3.284 TFLOPS
32.98 TFLOPS
FP64 (double)
205.3 GFLOPS
515.3 GFLOPS
Graphics Processor
GPU Name
Vega 12
AD103
GPU Variant
Vega 12 XTA
GN21-X11
Architecture
GCN 5.0
Ada Lovelace
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
Unknown
45.9 billion
Die Size
Unknown
379 mm²
Board Design
TDP
100W
120W
Outputs
No outputs
Portable Device Dependent
Power Connectors
-
None
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.8
CUDA
-
8.9
📊 Benchmark
3DMark Time Spy
2,596
-
3DMark Time Spy Extreme
1,211
-