AMD Radeon Pro W6900X vs ATI Radeon HD 2900 GT

VS

AMD Radeon Pro W6900X ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X 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 W6900X 's Advantages

Released 13 years and 9 months late

Boost Clock2150MHz

Larger VRAM bandwidth (512.0GB/s vs 51.20GB/s)

4880 additional rendering cores

ATI Radeon HD 2900 GT 's Advantages

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +7545%

22.02 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

Radeon Pro W6900X

VS

Radeon HD 2900 GT

Graphics Card

Aug 2021

Release Date

Nov 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

800 MHz

Memory

32GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

51.20GB/s

Render Config

-

SM Count

-

80

Compute Units

3

5120

Shading Units

240

320

TMUs

12

128

ROPs

12

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

128 KB

Theoretical Performance

275.2 GPixel/s

Pixel Rate

7.212 GPixel/s

688.0 GTexel/s

Texture Rate

7.212 GTexel/s

44.03 TFLOPS

FP16 (half)

-

22.02 TFLOPS

FP32 (float)

288.5 GFLOPS

1376 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

R600

Navi 21 Pro-XTA

GPU Variant

R600 GT (215RGFDKA13FG)

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

Board Design

300W

TDP

150W

700 W

Suggested PSU

450 W

1x HDMI 2.1 4x Thunderbolt

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

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

-

CUDA

-

6.5

Shader Model

4.0

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