AMD Radeon Pro W6900X vs ATI Radeon HD 2900 XT

VS

AMD Radeon Pro W6900X

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6900X 's Advantages

Released 14 years and 3 months late

Boost Clock2150MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 106.0GB/s)

4800 additional rendering cores

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +4526%

22.02 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon Pro W6900X

VS

Radeon HD 2900 XT

Graphics Card

Aug 2021

Release Date

May 2007

Radeon Pro Mac

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2150 MHz

Boost Clock

-

2000 MHz

Memory Clock

828 MHz

Memory

32GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

512bit

512.0GB/s

Bandwidth

106.0GB/s

Render Config

80

Compute Units

4

-

5120

Shading Units

320

TMUs

16

128

ROPs

16

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

275.2 GPixel/s

Pixel Rate

11.89 GPixel/s

688.0 GTexel/s

Texture Rate

11.89 GTexel/s

44.03 TFLOPS

FP16 (half)

-

22.02 TFLOPS

FP32 (float)

475.5 GFLOPS

1376 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

215W

700 W

Suggested PSU

550 W

1x HDMI 2.1 4x Thunderbolt

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 21

GPU Name

R600

Navi 21 Pro-XTA

GPU Variant

R600 XT (215RGMDKA13FG)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

80 nm

26.8 billion

Transistors

0.72 billion

520 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)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.0

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