AMD Radeon Pro W6400 vs ATI Radeon HD 2900 GT

VS

AMD Radeon Pro W6400

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro W6400 and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6400 's Advantages

Released 14 years and 2 months late

Boost Clock2331MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (112.0GB/s vs 51.20GB/s)

528 additional rendering cores

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

Radeon Pro W6400 +1143%

3.58 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

Radeon Pro W6400

VS

Radeon HD 2900 GT

Graphics Card

Jan 2022

Release Date

Nov 2007

Radeon Pro

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 1.0 x16

Clock Speeds

2331 MHz

Base Clock

-

2331 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

256bit

112.0GB/s

Bandwidth

51.20GB/s

Render Config

12

Compute Units

3

-

768

Shading Units

240

48

TMUs

12

32

ROPs

12

-

12

RT Cores

-

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

128 KB

8 MB

L3 Cache

-

Theoretical Performance

74.59 GPixel/s

Pixel Rate

7.212 GPixel/s

111.9 GTexel/s

Texture Rate

7.212 GTexel/s

7.161 TFLOPS

FP16 (half)

-

3.580 TFLOPS

FP32 (float)

288.5 GFLOPS

223.8 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

2x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

Graphics Processor

Navi 24

GPU Name

R600

Navi 24 XL-W

GPU Variant

R600 GT (215RGFDKA13FG)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

80 nm

5.4 billion

Transistors

0.72 billion

107 mm²

Die Size

420 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.6

Shader Model

4.0

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