AMD Radeon HD 6870 vs AMD Radeon Pro W6800

VS

AMD Radeon HD 6870

AMD Radeon Pro W6800

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 32GB VRAM Radeon Pro W6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 250W)

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 134.4GB/s)

2720 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

Radeon Pro W6800 +783%

17.82 TFLOPS

Radeon HD 6870

VS

Radeon Pro W6800

Graphics Card

Oct 2010

Release Date

Jun 2021

Northern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2075 MHz

-

Boost Clock

2320 MHz

1050 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

14

Compute Units

60

-

1120

Shading Units

3840

56

TMUs

240

32

ROPs

96

-

RT Cores

60

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

222.7 GPixel/s

50.40 GTexel/s

Texture Rate

556.8 GTexel/s

-

FP16 (half)

35.64 TFLOPS

2.016 TFLOPS

FP32 (float)

17.82 TFLOPS

-

FP64 (double)

1114 GFLOPS

Board Design

151W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

6x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

Navi 21

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

26.8 billion

255 mm²

Die Size

520 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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