AMD Radeon Pro W6800 vs AMD Radeon HD 6850

VS

AMD Radeon Pro W6800

AMD Radeon HD 6850

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800 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 W6800 's Advantages

Released 10 years and 8 months late

Boost Clock2320MHz

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 250W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800 +1097%

17.82 TFLOPS

Radeon HD 6850

1.488 TFLOPS

Radeon Pro W6800

VS

Radeon HD 6850

Graphics Card

Jun 2021

Release Date

Oct 2010

Radeon Pro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2320 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

222.7 GPixel/s

Pixel Rate

24.80 GPixel/s

556.8 GTexel/s

Texture Rate

37.20 GTexel/s

35.64 TFLOPS

FP16 (half)

-

17.82 TFLOPS

FP32 (float)

1488 GFLOPS

1114 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

127W

600 W

Suggested PSU

300 W

6x mini-DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 21

GPU Name

Barts

-

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

-

6.5

Shader Model

5.0

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