AMD Radeon RX 6900 XT vs AMD Radeon Pro W6800X Duo
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Aug 2021
Generation
Navi II
Radeon Pro Mac
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
Apple MPX
Clock Speeds
Base Clock
1825 MHz
1800 MHz
Boost Clock
2250 MHz
1967 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
16GB
32GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
512.0GB/s
Render Config
Compute Units
80
60
Shading Units
5120
3840
TMUs
320
240
ROPs
128
96
RT Cores
80
60
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
128 MB
Theoretical Performance
Pixel Rate
288.0 GPixel/s
188.8 GPixel/s
Texture Rate
720.0 GTexel/s
472.1 GTexel/s
FP16 (half)
46.08 TFLOPS
30.21 TFLOPS
FP32 (float)
23.04 TFLOPS
15.11 TFLOPS
FP64 (double)
1440.0 GFLOPS
944.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
Navi 21
GPU Variant
Navi 21 XTX(215-121000167)
Navi 21 Pro-XLA
Architecture
RDNA 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
26.8 billion
26.8 billion
Die Size
520 mm²
520 mm²
Board Design
TDP
300W
400W
Suggested PSU
700 W
800 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.14x Thunderbolt
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
2.1
Vulkan
1.4
1.3
Shader Model
6.8
6.7
📊 Benchmark
3DMark Time Spy
20,764
-
Blender
-
1,422