AMD Radeon Pro W6900X vs ATI Radeon X1550 PCI

VS

AMD Radeon Pro W6900X

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 256MB VRAM Radeon X1550 PCI 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 7 months late

Boost Clock2150MHz

More VRAM (32GB vs 256GB)

Larger VRAM bandwidth (512.0GB/s vs 4.256GB/s)

5120 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 300W)

Score

Radeon Pro W6900X

VS

Radeon X1550 PCI

Graphics Card

Aug 2021

Release Date

Jan 2007

Radeon Pro Mac

Generation

Radeon R500 PCIe

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

266 MHz

Memory

32GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

4.256GB/s

Render Config

80

Compute Units

-

5120

Shading Units

-

320

TMUs

4

128

ROPs

4

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

-

128 MB

L3 Cache

-

Theoretical Performance

275.2 GPixel/s

Pixel Rate

1.808 GPixel/s

688.0 GTexel/s

Texture Rate

1.808 GTexel/s

44.03 TFLOPS

FP16 (half)

-

22.02 TFLOPS

FP32 (float)

-

1376 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

27W

700 W

Suggested PSU

200 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

RV516

Navi 21 Pro-XTA

GPU Variant

-

RDNA 2.0

Architecture

R500

TSMC

Foundry

UMC

7 nm

Process Size

80 nm

26.8 billion

Transistors

0.107 billion

520 mm²

Die Size

100 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

3.0

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