AMD Radeon HD 7970 vs AMD Radeon Pro W6800

VS

AMD Radeon HD 7970

AMD Radeon Pro W6800

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 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 Pro W6800 's Advantages

Released 9 years and 6 months late

Boost Clock2320MHz

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 264.0GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

Radeon Pro W6800 +370%

17.82 TFLOPS

Radeon HD 7970

VS

Radeon Pro W6800

Graphics Card

Dec 2011

Release Date

Jun 2021

Southern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2075 MHz

-

Boost Clock

2320 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

512.0GB/s

Render Config

32

Compute Units

60

-

2048

Shading Units

3840

128

TMUs

240

32

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

222.7 GPixel/s

118.4 GTexel/s

Texture Rate

556.8 GTexel/s

-

FP16 (half)

35.64 TFLOPS

3.789 TFLOPS

FP32 (float)

17.82 TFLOPS

947.2 GFLOPS

FP64 (double)

1114 GFLOPS

Board Design

250W

TDP

250W

600 W

Suggested PSU

600 W

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

Outputs

6x mini-DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 21

Tahiti XT (215-0821060)

GPU Variant

-

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

26.8 billion

352 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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