AMD Radeon Pro W6900X vs ATI Radeon HD 3550

VS

AMD Radeon Pro W6900X

ATI Radeon HD 3550

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 512MB VRAM Radeon HD 3550 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 late

Boost Clock2150MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 6.336GB/s)

5080 additional rendering cores

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +45775%

22.02 TFLOPS

Radeon HD 3550

0.048 TFLOPS

Radeon Pro W6900X

VS

Radeon HD 3550

Graphics Card

Aug 2021

Release Date

Aug 2008

Radeon Pro Mac

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2150 MHz

Boost Clock

-

2000 MHz

Memory Clock

396 MHz

Memory

32GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

6.336GB/s

Render Config

80

Compute Units

2

-

5120

Shading Units

40

320

TMUs

4

128

ROPs

4

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

64 KB

128 MB

L3 Cache

-

Theoretical Performance

275.2 GPixel/s

Pixel Rate

2.376 GPixel/s

688.0 GTexel/s

Texture Rate

2.376 GTexel/s

44.03 TFLOPS

FP16 (half)

-

22.02 TFLOPS

FP32 (float)

47.52 GFLOPS

1376 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

30W

700 W

Suggested PSU

200 W

1x HDMI 2.1 4x Thunderbolt

Outputs

2x DisplayPort

None

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

RV620

Navi 21 Pro-XTA

GPU Variant

RV620 PRO (215-0670006)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.181 billion

520 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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