AMD Radeon Pro Vega 16 vs NVIDIA RTX A4 Mobile
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
Apr 2021
Generation
Radeon Pro Mac
Quadro Ampere-M
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
815 MHz
1297 MHz
Boost Clock
1190 MHz
1770 MHz
Memory Clock
1200 MHz
1750 MHz
Memory
Memory Size
4GB
4GB
Memory Type
HBM2
GDDR6
Memory Bus
1024bit
128bit
Bandwidth
307.2GB/s
224.0GB/s
Render Config
Compute Units
16
-
Shading Units
1024
2048
TMUs
64
64
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
2 MB
SM Count
-
16
Tensor Cores
-
64
RT Cores
-
16
Theoretical Performance
Pixel Rate
38.08 GPixel/s
56.64 GPixel/s
Texture Rate
76.16 GTexel/s
113.3 GTexel/s
FP16 (half)
4.874 TFLOPS
7.250 TFLOPS
FP32 (float)
2.437 TFLOPS
7.250 TFLOPS
FP64 (double)
152.3 GFLOPS
113.3 GFLOPS
Graphics Processor
GPU Name
Vega 12
GA107
GPU Variant
Vega 12 XLA
-
Architecture
GCN 5.0
Ampere
Foundry
GlobalFoundries
Samsung
Process Size
14 nm
8 nm
Transistors
Unknown
8.7 billion
Die Size
Unknown
200 mm²
Board Design
TDP
75W
Unknown
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
6.7
CUDA
-
8.6