AMD Radeon 550X vs AMD Radeon RX 7900 XTX

VS

AMD Radeon 550X

AMD Radeon RX 7900 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 24GB VRAM Radeon RX 7900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Lower TDP (50W vs 355W)

AMD Radeon RX 7900 XTX 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 105% (2498MHz vs 1218MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (960.0GB/s vs 112.0GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon RX 7900 XTX +4823%

61.39 TFLOPS

Radeon 550X

VS

Radeon RX 7900 XTX

Graphics Card

Mar 2019

Release Date

Nov 2022

Polaris

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1082 MHz

Base Clock

1929 MHz

1218 MHz

Boost Clock

2498 MHz

1750 MHz

Memory Clock

2500 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

112.0GB/s

Bandwidth

960.0GB/s

Render Config

8

Compute Units

96

-

512

Shading Units

6144

32

TMUs

384

16

ROPs

192

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

96 MB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

479.6 GPixel/s

38.98 GTexel/s

Texture Rate

959.2 GTexel/s

1247 GFLOPS

FP16 (half)

122.8 TFLOPS

1247 GFLOPS

FP32 (float)

61.39 TFLOPS

77.95 GFLOPS

FP64 (double)

1.918 TFLOPS

Board Design

50W

TDP

355W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Lexa

GPU Name

Navi 31

Lexa PRO (215-0904018)

GPU Variant

Navi 31 XTX (215-145000146)

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

2.2 billion

Transistors

57.7 billion

103 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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