AMD Radeon RX 6800 XT vs NVIDIA RTX A3000 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Apr 2021
Generation
Navi II
Ampere-MW
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1825 MHz
600 MHz
Boost Clock
2250 MHz
1230 MHz
Memory Clock
2000 MHz
1375 MHz
Memory
Memory Size
16GB
6GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
192bit
Bandwidth
512.0GB/s
264.0GB/s
Render Config
Compute Units
72
—
Shading Units
4608
4096
TMUs
288
128
ROPs
128
64
RT Cores
72
32
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
SM Count
—
32
Tensor Cores
—
128
Theoretical Performance
Pixel Rate
288.0 GPixel/s
78.72 GPixel/s
Texture Rate
648.0 GTexel/s
157.4 GTexel/s
FP16 (half)
41.47 TFLOPS
10.08 TFLOPS
FP32 (float)
20.74 TFLOPS
10.08 TFLOPS
FP64 (double)
1296 GFLOPS
157.4 GFLOPS
Graphics Processor
GPU Name
Navi 21
GA104
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
17.4 billion
Die Size
520 mm²
392 mm²
Board Design
TDP
300W
70W
Suggested PSU
700 W
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Portable Device Dependent
Power Connectors
2x 8-pin
None
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
6.8
CUDA
—
8.6
Benchmark
3DMark Time Spy
19,329
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.