AMD Radeon HD 7970 vs AMD Radeon Pro W6400

VS

AMD Radeon HD 7970

AMD Radeon Pro W6400

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 4GB VRAM Radeon Pro W6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 112.0GB/s)

1280 additional rendering cores

AMD Radeon Pro W6400 's Advantages

Released 10 years and 1 months late

Boost Clock2331MHz

More VRAM (4GB vs 3GB)

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +5%

3.789 TFLOPS

Radeon Pro W6400

3.58 TFLOPS

Radeon HD 7970

VS

Radeon Pro W6400

Graphics Card

Dec 2011

Release Date

Jan 2022

Southern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2331 MHz

-

Boost Clock

2331 MHz

1375 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

112.0GB/s

Render Config

32

Compute Units

12

-

2048

Shading Units

768

128

TMUs

48

32

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

74.59 GPixel/s

118.4 GTexel/s

Texture Rate

111.9 GTexel/s

-

FP16 (half)

7.161 TFLOPS

3.789 TFLOPS

FP32 (float)

3.580 TFLOPS

947.2 GFLOPS

FP64 (double)

223.8 GFLOPS

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

2x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Navi 24

Tahiti XT (215-0821060)

GPU Variant

Navi 24 XL-W

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

4.313 billion

Transistors

5.4 billion

352 mm²

Die Size

107 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.6

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