AMD Radeon Pro W6400 vs AMD Radeon HD 7970 GHz Edition

VS

AMD Radeon Pro W6400 AMD Radeon HD 7970 GHz Edition

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

Main Differences

AMD Radeon Pro W6400 's Advantages

Released 9 years and 7 months late

Boost Clock has increased by 122% (2331MHz vs 1050MHz)

More VRAM (4GB vs 3GB)

Lower TDP (50W vs 300W)

AMD Radeon HD 7970 GHz Edition 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 112.0GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro W6400

3.58 TFLOPS

Radeon HD 7970 GHz Edition +20%

4.301 TFLOPS

Radeon Pro W6400

VS

Radeon HD 7970 GHz Edition

Graphics Card

Jan 2022

Release Date

Jun 2012

Radeon Pro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2331 MHz

Base Clock

1000 MHz

2331 MHz

Boost Clock

1050 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

384bit

112.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

12

Compute Units

32

768

Shading Units

2048

48

TMUs

128

32

ROPs

32

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

Theoretical Performance

74.59 GPixel/s

Pixel Rate

33.60 GPixel/s

111.9 GTexel/s

Texture Rate

134.4 GTexel/s

7.161 TFLOPS

FP16 (half)

-

3.580 TFLOPS

FP32 (float)

4.301 TFLOPS

223.8 GFLOPS

FP64 (double)

1075 GFLOPS

Graphics Processor

Navi 24

GPU Name

Tahiti

Navi 24 XL-W

GPU Variant

Tahiti XT2 (215-0821065)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

4.313 billion

107 mm²

Die Size

352 mm²

Board Design

50W

TDP

300W

250 W

Suggested PSU

700 W

2x DisplayPort 1.4a

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.6

Shader Model

5.1

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