AMD Radeon RX 6800 XT vs NVIDIA RTX A5000-8Q
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Apr 2021
Generation
Navi II
Quadro Ampere
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1825 MHz
1170 MHz
Boost Clock
2250 MHz
1695 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
384bit
Bandwidth
512.0GB/s
768.0GB/s
Render Config
Compute Units
72
—
Shading Units
4608
8192
TMUs
288
256
ROPs
128
96
RT Cores
72
64
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
6 MB
L3 Cache
128 MB
—
SM Count
—
64
Tensor Cores
—
256
Theoretical Performance
Pixel Rate
288.0 GPixel/s
162.7 GPixel/s
Texture Rate
648.0 GTexel/s
433.9 GTexel/s
FP16 (half)
41.47 TFLOPS
27.77 TFLOPS
FP32 (float)
20.74 TFLOPS
27.77 TFLOPS
FP64 (double)
1296 GFLOPS
433.9 GFLOPS
Graphics Processor
GPU Name
Navi 21
GA102
GPU Variant
Navi 21 XT(215-121000177)
—
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
26.8 billion
28.3 billion
Die Size
520 mm²
628 mm²
Board Design
TDP
300W
230W
Suggested PSU
700 W
550 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
4x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.7
CUDA
—
8.6
Benchmark
3DMark Time Spy
19,329
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.