ATI Radeon HD 2900 XTX vs AMD Radeon Pro W6800X

VS

ATI Radeon HD 2900 XTX

AMD Radeon Pro W6800X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 32GB VRAM Radeon Pro W6800X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Boost Clock2087MHz

More VRAM (32GB vs 512GB)

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

3520 additional rendering cores

Lower TDP (200W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon Pro W6800X +3267%

16.03 TFLOPS

Radeon HD 2900 XTX

VS

Radeon Pro W6800X

Graphics Card

Unknown

Release Date

Aug 2021

Radeon R600

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

2087 MHz

828 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

32GB

GDDR3

Memory Type

GDDR6

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

60

-

320

Shading Units

3840

16

TMUs

240

16

ROPs

96

-

RT Cores

60

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

11.89 GPixel/s

Pixel Rate

200.4 GPixel/s

11.89 GTexel/s

Texture Rate

500.9 GTexel/s

-

FP16 (half)

32.06 TFLOPS

475.5 GFLOPS

FP32 (float)

16.03 TFLOPS

-

FP64 (double)

1002 GFLOPS

Board Design

240W

TDP

200W

550 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 6-pin

Power Connectors

Apple MPX

Graphics Processor

R600

GPU Name

Navi 21

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

Navi 21 Pro-XLA

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

7 nm

0.72 billion

Transistors

26.8 billion

420 mm²

Die Size

520 mm²

Graphics Features

10.0 (10_0)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.3

-

4.0

Shader Model

6.7

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