Product Compare

AMD Radeon HD 8970M vs NVIDIA RTX A4000

GPU GPU
Graphics Card
Release Date May 2013 Apr 2021
Generation Solar System Quadro Ampere
Type Mobile Professional
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 850 MHz 735 MHz
Boost Clock 900 MHz 1560 MHz
Memory Clock 1200 MHz 1750 MHz
Memory
Memory Size 4GB 16GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 256bit
Bandwidth 153.6GB/s 448.0GB/s
Render Config
Compute Units 20
Shading Units 1280 6144
TMUs 80 192
ROPs 32 96
L1 Cache 16 KB (per CU) 128 KB (per SM)
L2 Cache 512 KB 4 MB
SM Count 48
Tensor Cores 192
RT Cores 48
Theoretical Performance
Pixel Rate 28.80 GPixel/s 149.8 GPixel/s
Texture Rate 72.00 GTexel/s 299.5 GTexel/s
FP32 (float) 2.304 TFLOPS 19.17 TFLOPS
FP64 (double) 144.0 GFLOPS 299.5 GFLOPS
FP16 (half) 19.17 TFLOPS
Graphics Processor
GPU Name Neptune GA104
GPU Variant Neptune XT(216-0847000) GA104-875-A1
Architecture GCN 1.0 Ampere
Foundry TSMC Samsung
Process Size 28 nm 8 nm
Transistors 2.8 billion 17.4 billion
Die Size 212 mm² 392 mm²
Board Design
TDP 100W 140W
Outputs No outputs 4x DisplayPort 1.4a
Suggested PSU 300 W
Power Connectors 1x 6-pin
Graphics Features
DirectX 12 (11_1) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.3
Shader Model 5.1 6.7
CUDA 8.6