AMD Radeon Pro W6800X vs AMD Radeon R9 285
GPU · Specs Compare
Graphics Card
Release Date
Aug 2021
Sep 2014
Generation
Radeon Pro Mac
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
Apple MPX
PCIe 3.0 x16
Clock Speeds
Base Clock
1800 MHz
—
Boost Clock
2087 MHz
—
Memory Clock
2000 MHz
1375 MHz
Memory
Memory Size
32GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
176.0GB/s
Render Config
Compute Units
60
28
Shading Units
3840
1792
TMUs
240
112
ROPs
96
32
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
200.4 GPixel/s
29.38 GPixel/s
Texture Rate
500.9 GTexel/s
102.8 GTexel/s
FP16 (half)
32.06 TFLOPS
3.290 TFLOPS
FP32 (float)
16.03 TFLOPS
3.290 TFLOPS
FP64 (double)
1002 GFLOPS
205.6 GFLOPS
Graphics Processor
GPU Name
Navi 21
Tonga
GPU Variant
Navi 21 Pro-XLA
Tonga PRO(215-0851128)
Architecture
RDNA 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
5 billion
Die Size
520 mm²
366 mm²
Board Design
TDP
200W
190W
Suggested PSU
550 W
450 W
Outputs
1x HDMI 2.14x Thunderbolt
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
Apple MPX
2x 6-pin
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
1,424
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.