AMD Radeon RX 7900 XTX vs ATI Radeon HD 3550

VS

AMD Radeon RX 7900 XTX ATI Radeon HD 3550

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX 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 RX 7900 XTX 's Advantages

Released 14 years and 3 months late

Boost Clock2498MHz

Larger VRAM bandwidth (960.0GB/s vs 6.336GB/s)

6104 additional rendering cores

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +127795%

61.39 TFLOPS

Radeon HD 3550

0.048 TFLOPS

Radeon RX 7900 XTX

VS

Radeon HD 3550

Graphics Card

Nov 2022

Release Date

Aug 2008

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1929 MHz

Base Clock

-

2498 MHz

Boost Clock

-

2500 MHz

Memory Clock

396 MHz

Memory

24GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

384bit

Memory Bus

64bit

960.0GB/s

Bandwidth

6.336GB/s

Render Config

-

SM Count

-

96

Compute Units

2

6144

Shading Units

40

384

TMUs

4

192

ROPs

4

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

64 KB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

2.376 GPixel/s

959.2 GTexel/s

Texture Rate

2.376 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

47.52 GFLOPS

1.918 TFLOPS

FP64 (double)

-

Graphics Processor

Navi 31

GPU Name

RV620

Navi 31 XTX (215-145000146)

GPU Variant

RV620 PRO (215-0670006)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

57.7 billion

Transistors

0.181 billion

529 mm²

Die Size

67 mm²

Board Design

355W

TDP

30W

750 W

Suggested PSU

200 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

2x DisplayPort

2x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

4.1

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