Product Compare

AMD Radeon HD 6870 X2 vs NVIDIA RTX A3000 Mobile

GPU GPU
Graphics Card
Release Date Jul 2011 Apr 2021
Generation Northern Islands Ampere-MW
Type Desktop Professional
Bus Interface PCIe 2.0 x16 PCIe 4.0 x16
Clock Speeds
Memory Clock 1050 MHz 1375 MHz
Base Clock 600 MHz
Boost Clock 1230 MHz
Memory
Memory Size 1024MB 6GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 192bit
Bandwidth 134.4GB/s 264.0GB/s
Render Config
Compute Units 14
Shading Units 1120 4096
TMUs 56 128
ROPs 32 64
L1 Cache 8 KB (per CU) 128 KB (per SM)
L2 Cache 512 KB 4 MB
SM Count 32
Tensor Cores 128
RT Cores 32
Theoretical Performance
Pixel Rate 28.80 GPixel/s 78.72 GPixel/s
Texture Rate 50.40 GTexel/s 157.4 GTexel/s
FP32 (float) 2.016 TFLOPS 10.08 TFLOPS
FP16 (half) 10.08 TFLOPS
FP64 (double) 157.4 GFLOPS
Graphics Processor
GPU Name Barts GA104
GPU Variant Barts XT(215-0798000)
Architecture TeraScale 2 Ampere
Foundry TSMC Samsung
Process Size 40 nm 8 nm
Transistors 1.7 billion 17.4 billion
Die Size 255 mm² 392 mm²
Board Design
TDP 300W 70W
Suggested PSU 700 W
Outputs 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 Portable Device Dependent
Power Connectors None
Graphics Features
DirectX 11.2 (11_0) 12 Ultimate (12_2)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan N/A 1.3
Shader Model 5.0 6.8
CUDA 8.6