AMD Radeon HD 6970 X2 vs AMD Radeon Pro W6400

VS

AMD Radeon HD 6970 X2

AMD Radeon Pro W6400

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 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 6970 X2 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 112.0GB/s)

768 additional rendering cores

AMD Radeon Pro W6400 's Advantages

Boost Clock2331MHz

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2

2.703 TFLOPS

Radeon Pro W6400 +32%

3.58 TFLOPS

Radeon HD 6970 X2

VS

Radeon Pro W6400

Graphics Card

Unknown

Release Date

Jan 2022

Northern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2331 MHz

-

Boost Clock

2331 MHz

1375 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

112.0GB/s

Render Config

24

Compute Units

12

-

1536

Shading Units

768

96

TMUs

48

32

ROPs

32

-

RT Cores

12

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

74.59 GPixel/s

84.48 GTexel/s

Texture Rate

111.9 GTexel/s

-

FP16 (half)

7.161 TFLOPS

2.703 TFLOPS

FP32 (float)

3.580 TFLOPS

-

FP64 (double)

223.8 GFLOPS

Board Design

375W

TDP

50W

750 W

Suggested PSU

250 W

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

Outputs

2x DisplayPort 1.4a

3x 8-pin

Power Connectors

None

Graphics Processor

Antilles

GPU Name

Navi 24

Antilles XT (215-0807027)

GPU Variant

Navi 24 XL-W

TeraScale 3

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

2.64 billion

Transistors

5.4 billion

389 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.6

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