AMD Radeon Pro W6800X Duo vs AMD Radeon R9 390 X2
GPU Specs Compare
Graphics Card
Release Date
Aug 2021
Sep 2015
Generation
Radeon Pro Mac
Pirate Islands
Type
Desktop
Desktop
Bus Interface
Apple MPX
PCIe 3.0 x16
Clock Speeds
Base Clock
1800 MHz
-
Boost Clock
1967 MHz
-
Memory Clock
2000 MHz
1350 MHz
Memory
Memory Size
32GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
512bit
Bandwidth
512.0GB/s
345.6GB/s
Render Config
Compute Units
60
40
Shading Units
3840
2560
TMUs
240
160
ROPs
96
64
RT Cores
60
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
1024 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
188.8 GPixel/s
64.00 GPixel/s
Texture Rate
472.1 GTexel/s
160.0 GTexel/s
FP16 (half)
30.21 TFLOPS
-
FP32 (float)
15.11 TFLOPS
5.120 TFLOPS
FP64 (double)
944.2 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Grenada
GPU Variant
Navi 21 Pro-XLA
Grenada PRO(215-0880030)
Architecture
RDNA 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
6.2 billion
Die Size
520 mm²
438 mm²
Board Design
TDP
400W
580W
Suggested PSU
800 W
950 W
Outputs
1x HDMI 2.14x Thunderbolt
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
4x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.7
6.3
📊 Benchmark
Blender
1,422
-