Product Compare

AMD Radeon HD 6850 vs NVIDIA RTX A4000 Mobile

GPU GPU
Graphics Card
Release Date Oct 2010 Apr 2021
Generation Northern Islands Ampere-MW
Type Desktop Professional
Bus Interface PCIe 2.0 x16 PCIe 4.0 x16
Clock Speeds
Memory Clock 1000 MHz 1500 MHz
Base Clock 1140 MHz
Boost Clock 1680 MHz
Memory
Memory Size 1024MB 8GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 256bit
Bandwidth 128.0GB/s 384.0GB/s
Render Config
Compute Units 12
Shading Units 960 5120
TMUs 48 160
ROPs 32 80
L1 Cache 8 KB (per CU) 128 KB (per SM)
L2 Cache 512 KB 4 MB
SM Count 40
Tensor Cores 160
RT Cores 40
Theoretical Performance
Pixel Rate 24.80 GPixel/s 134.4 GPixel/s
Texture Rate 37.20 GTexel/s 268.8 GTexel/s
FP32 (float) 1488 GFLOPS 17.20 TFLOPS
FP16 (half) 17.20 TFLOPS
FP64 (double) 268.8 GFLOPS
Graphics Processor
GPU Name Barts GA104
GPU Variant Barts PRO(215-0798006)
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 127W 115W
Suggested PSU 300 W
Outputs 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 Portable Device Dependent
Power Connectors 1x 6-pin 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