NVIDIA RTX A3000 Mobile vs AMD Radeon Pro Vega 20
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Nov 2018
Generation
Ampere-MW
Radeon Pro Mac
Type
Professional
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
600 MHz
815 MHz
Boost Clock
1230 MHz
1283 MHz
Memory Clock
1375 MHz
740 MHz
Memory
Memory Size
6GB
4GB
Memory Type
GDDR6
HBM2
Memory Bus
192bit
1024bit
Bandwidth
264.0GB/s
189.4GB/s
Render Config
SM Count
32
—
Shading Units
4096
1280
TMUs
128
80
ROPs
64
32
Tensor Cores
128
—
RT Cores
32
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
1024 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
78.72 GPixel/s
41.06 GPixel/s
Texture Rate
157.4 GTexel/s
102.6 GTexel/s
FP16 (half)
10.08 TFLOPS
6.569 TFLOPS
FP32 (float)
10.08 TFLOPS
3.284 TFLOPS
FP64 (double)
157.4 GFLOPS
205.3 GFLOPS
Graphics Processor
GPU Name
GA104
Vega 12
Architecture
Ampere
GCN 5.0
Foundry
Samsung
GlobalFoundries
Process Size
8 nm
14 nm
Transistors
17.4 billion
Unknown
Die Size
392 mm²
Unknown
GPU Variant
—
Vega 12 XTA
Board Design
TDP
70W
100W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2
CUDA
8.6
—
Shader Model
6.8
6.3
Benchmark
3DMark Time Spy
—
2,596
3DMark Time Spy Extreme
—
1,211
▲ Specs Compare
Data sourced from official specifications and benchmark tests.