AMD Radeon Pro W6800 vs AMD Radeon HD 6950

VS

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800 and 2GB VRAM Radeon HD 6950 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 6 months late

Boost Clock2320MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 160.0GB/s)

2432 additional rendering cores

AMD Radeon HD 6950 's Advantages

Lower TDP (200W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800 +690%

17.82 TFLOPS

Radeon HD 6950

2.253 TFLOPS

Radeon Pro W6800

VS

Radeon HD 6950

Graphics Card

Jun 2021

Release Date

Dec 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

1250 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

60

Compute Units

22

3840

Shading Units

1408

240

TMUs

88

96

ROPs

32

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

222.7 GPixel/s

Pixel Rate

25.60 GPixel/s

556.8 GTexel/s

Texture Rate

70.40 GTexel/s

35.64 TFLOPS

FP16 (half)

-

17.82 TFLOPS

FP32 (float)

2.253 TFLOPS

1114 GFLOPS

FP64 (double)

563.2 GFLOPS

Graphics Processor

Navi 21

GPU Name

Cayman

-

GPU Variant

Cayman PRO (215-0807019)

RDNA 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

2.64 billion

520 mm²

Die Size

389 mm²

Board Design

250W

TDP

200W

600 W

Suggested PSU

550 W

6x mini-DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

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

-

CUDA

-

6.5

Shader Model

5.0

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