Home GPU Comparison AMD Radeon Pro W6800X vs AMD Radeon HD 6850

AMD Radeon Pro W6800X vs AMD Radeon HD 6850

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages
Released 10 years and 10 months late
Boost Clock2087MHz
More VRAM (32GB vs 1024GB)
Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)
2880 additional rendering cores
AMD Radeon HD 6850 's Advantages
Lower TDP (127W vs 200W)

Score

Benchmark

FP32 (float)
Radeon Pro W6800X +977%
16.03 TFLOPS
Radeon HD 6850
1.488 TFLOPS
VS

Graphics Card

Aug 2021
Release Date
Oct 2010
Radeon Pro Mac
Generation
Northern Islands
Desktop
Type
Desktop
Apple MPX
Bus Interface
PCIe 2.0 x16

Clock Speeds

1800 MHz
Base Clock
-
2087 MHz
Boost Clock
-
2000 MHz
Memory Clock
1000 MHz

Memory

32GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
128.0GB/s

Render Config

60
Compute Units
12
-
-
-
3840
Shading Units
960
240
TMUs
48
96
ROPs
32
-
-
-
60
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
512 KB
128 MB
L3 Cache
-

Theoretical Performance

200.4 GPixel/s
Pixel Rate
24.80 GPixel/s
500.9 GTexel/s
Texture Rate
37.20 GTexel/s
32.06 TFLOPS
FP16 (half)
-
16.03 TFLOPS
FP32 (float)
1488 GFLOPS
1002 GFLOPS
FP64 (double)
-

Board Design

200W
TDP
127W
550 W
Suggested PSU
300 W
1x HDMI 2.1 4x Thunderbolt
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Apple MPX
Power Connectors
1x 6-pin

Graphics Processor

Navi 21
GPU Name
Barts
Navi 21 Pro-XLA
GPU Variant
Barts PRO (215-0798006)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
26.8 billion
Transistors
1.7 billion
520 mm²
Die Size
255 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
5.0

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