AMD Radeon Pro W6800X Duo vs AMD Radeon R9 M270X
GPU · Specs Compare
Graphics Card
Release Date
Aug 2021
Feb 2015
Generation
Radeon Pro Mac
Gem System
Type
Desktop
Mobile
Bus Interface
Apple MPX
PCIe 3.0 x16
Clock Speeds
Base Clock
1800 MHz
900 MHz
Boost Clock
1967 MHz
1000 MHz
Memory Clock
2000 MHz
1375 MHz
Memory
Memory Size
32GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
512.0GB/s
88.00GB/s
Render Config
Compute Units
60
12
Shading Units
3840
768
TMUs
240
48
ROPs
96
16
RT Cores
60
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
188.8 GPixel/s
16.00 GPixel/s
Texture Rate
472.1 GTexel/s
48.00 GTexel/s
FP16 (half)
30.21 TFLOPS
—
FP32 (float)
15.11 TFLOPS
1.536 TFLOPS
FP64 (double)
944.2 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Navi 21
Saturn
GPU Variant
Navi 21 Pro-XLA
Saturn PRO(216-0843044)
Architecture
RDNA 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
2.08 billion
Die Size
520 mm²
160 mm²
Board Design
TDP
400W
Unknown
Suggested PSU
800 W
—
Outputs
1x HDMI 2.14x Thunderbolt
Portable Device Dependent
Power Connectors
None
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2.170
Shader Model
6.7
6.5
Benchmark
Blender
1,422
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.