Product Compare

NVIDIA RTX A4000 Mobile vs AMD Radeon RX 6800 XT

GPU GPU
Graphics Card
Release Date Apr 2021 Oct 2020
Generation Ampere-MW Navi II
Type Professional Desktop
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1140 MHz 1825 MHz
Boost Clock 1680 MHz 2250 MHz
Memory Clock 1500 MHz 2000 MHz
Memory
Memory Size 8GB 16GB
Memory Type GDDR6 GDDR6
Memory Bus 256bit 256bit
Bandwidth 384.0GB/s 512.0GB/s
Render Config
SM Count 40
Shading Units 5120 4608
TMUs 160 288
ROPs 80 128
Tensor Cores 160
RT Cores 40 72
L1 Cache 128 KB (per SM) 128 KB per Array
L2 Cache 4 MB 4 MB
Compute Units 72
L3 Cache 128 MB
Theoretical Performance
Pixel Rate 134.4 GPixel/s 288.0 GPixel/s
Texture Rate 268.8 GTexel/s 648.0 GTexel/s
FP16 (half) 17.20 TFLOPS 41.47 TFLOPS
FP32 (float) 17.20 TFLOPS 20.74 TFLOPS
FP64 (double) 268.8 GFLOPS 1296 GFLOPS
Graphics Processor
GPU Name GA104 Navi 21
Architecture Ampere RDNA 2.0
Foundry Samsung TSMC
Process Size 8 nm 7 nm
Transistors 17.4 billion 26.8 billion
Die Size 392 mm² 520 mm²
GPU Variant Navi 21 XT(215-121000177)
Board Design
TDP 115W 300W
Outputs Portable Device Dependent 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors None 2x 8-pin
Suggested PSU 700 W
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 2.1
Vulkan 1.3 1.3
CUDA 8.6
Shader Model 6.8 6.5