AMD Radeon RX 7900 XTX vs ATI Radeon HD 5550

VS

AMD Radeon RX 7900 XTX

ATI Radeon HD 5550

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 512MB VRAM Radeon HD 5550 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 12 years and 9 months late

Boost Clock2498MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (960.0GB/s vs 51.20GB/s)

5824 additional rendering cores

ATI Radeon HD 5550 's Advantages

Lower TDP (39W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +17340%

61.39 TFLOPS

Radeon HD 5550

0.352 TFLOPS

Radeon RX 7900 XTX

VS

Radeon HD 5550

Graphics Card

Nov 2022

Release Date

Feb 2010

Navi III

Generation

Evergreen

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

800 MHz

Memory

24GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

960.0GB/s

Bandwidth

51.20GB/s

Render Config

96

Compute Units

4

-

6144

Shading Units

320

384

TMUs

16

192

ROPs

8

-

96

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

4.400 GPixel/s

959.2 GTexel/s

Texture Rate

8.800 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

352.0 GFLOPS

1.918 TFLOPS

FP64 (double)

-

Board Design

355W

TDP

39W

750 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Redwood

Navi 31 XTX (215-145000146)

GPU Variant

Redwood PRO2

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.627 billion

529 mm²

Die Size

104 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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