NVIDIA RTX A4 Mobile vs AMD Radeon R9 M485X
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
May 2016
Generation
Quadro Ampere-M
Crystal System
Type
Professional
Mobile
Bus Interface
PCIe 4.0 x8
MXM-B (3.0)
Clock Speeds
Base Clock
1297 MHz
-
Boost Clock
1770 MHz
-
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
160.0GB/s
Render Config
SM Count
16
-
Shading Units
2048
2048
TMUs
64
128
ROPs
32
32
Tensor Cores
64
-
RT Cores
16
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
56.64 GPixel/s
23.14 GPixel/s
Texture Rate
113.3 GTexel/s
92.54 GTexel/s
FP16 (half)
7.250 TFLOPS
2.961 TFLOPS
FP32 (float)
7.250 TFLOPS
2.961 TFLOPS
FP64 (double)
113.3 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
GA107
Amethyst
Architecture
Ampere
GCN 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
8.7 billion
5 billion
Die Size
200 mm²
366 mm²
GPU Variant
-
Amethyst XT
Board Design
TDP
Unknown
250W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.6
-
Shader Model
6.7
6.3