AMD Radeon HD 7970 vs AMD Radeon Pro W6800X Duo

VS

AMD Radeon HD 7970

AMD Radeon Pro W6800X Duo

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 32GB VRAM Radeon Pro W6800X Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Lower TDP (250W vs 400W)

AMD Radeon Pro W6800X Duo 's Advantages

Released 9 years and 8 months late

Boost Clock1967MHz

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 W6800X Duo +298%

15.11 TFLOPS

Radeon HD 7970

VS

Radeon Pro W6800X Duo

Graphics Card

Dec 2011

Release Date

Aug 2021

Southern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

1967 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

188.8 GPixel/s

118.4 GTexel/s

Texture Rate

472.1 GTexel/s

-

FP16 (half)

30.21 TFLOPS

3.789 TFLOPS

FP32 (float)

15.11 TFLOPS

947.2 GFLOPS

FP64 (double)

944.2 GFLOPS

Board Design

250W

TDP

400W

600 W

Suggested PSU

800 W

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

Outputs

1x HDMI 2.1 4x Thunderbolt

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Navi 21

Tahiti XT (215-0821060)

GPU Variant

Navi 21 Pro-XLA

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

6.7

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