AMD Radeon Pro W6800X Duo vs AMD Radeon HD 6850
GPU · Specs Compare
Graphics Card
Release Date
Aug 2021
Oct 2010
Generation
Radeon Pro Mac
Northern Islands
Type
Desktop
Desktop
Bus Interface
Apple MPX
PCIe 2.0 x16
Clock Speeds
Base Clock
1800 MHz
—
Boost Clock
1967 MHz
—
Memory Clock
2000 MHz
1000 MHz
Memory
Memory Size
32GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
128.0GB/s
Render Config
Compute Units
60
12
Shading Units
3840
960
TMUs
240
48
ROPs
96
32
RT Cores
60
—
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
188.8 GPixel/s
24.80 GPixel/s
Texture Rate
472.1 GTexel/s
37.20 GTexel/s
FP16 (half)
30.21 TFLOPS
—
FP32 (float)
15.11 TFLOPS
1488 GFLOPS
FP64 (double)
944.2 GFLOPS
—
Graphics Processor
GPU Name
Navi 21
Barts
GPU Variant
Navi 21 Pro-XLA
Barts PRO(215-0798006)
Architecture
RDNA 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
7 nm
40 nm
Transistors
26.8 billion
1.7 billion
Die Size
520 mm²
255 mm²
Board Design
TDP
400W
127W
Suggested PSU
800 W
300 W
Outputs
1x HDMI 2.14x Thunderbolt
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.7
5.0
Benchmark
Blender
1,422
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.