AMD Radeon Pro W6800X Duo vs AMD Radeon RX 640 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Aug 2021
May 2019
Generation
Radeon Pro Mac
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
Apple MPX
PCIe 3.0 x8
Clock Speeds
Base Clock
1800 MHz
1082 MHz
Boost Clock
1967 MHz
1218 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
32GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
64bit
Bandwidth
512.0GB/s
48.00GB/s
Render Config
Compute Units
60
10
Shading Units
3840
640
TMUs
240
40
ROPs
96
16
RT Cores
60
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
188.8 GPixel/s
19.49 GPixel/s
Texture Rate
472.1 GTexel/s
48.72 GTexel/s
FP16 (half)
30.21 TFLOPS
1.559 TFLOPS
FP32 (float)
15.11 TFLOPS
1.559 TFLOPS
FP64 (double)
944.2 GFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
Navi 21
Polaris 23
GPU Variant
Navi 21 Pro-XLA
Polaris 23 XT
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
2.2 billion
Die Size
520 mm²
103 mm²
Board Design
TDP
400W
50W
Suggested PSU
800 W
—
Outputs
1x HDMI 2.14x Thunderbolt
No outputs
Power Connectors
None
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
Shader Model
6.7
6.4
Benchmark
Blender
1,422
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.