AMD Radeon RX 7900 XT vs AMD Radeon 550

VS

AMD Radeon RX 7900 XT

AMD Radeon 550

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 5 years and 7 months late

Boost Clock has increased by 102% (2394MHz vs 1183MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (800.0GB/s vs 56.00GB/s)

4864 additional rendering cores

AMD Radeon 550 's Advantages

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +4151%

51.48 TFLOPS

Radeon 550

1.211 TFLOPS

Radeon RX 7900 XT

VS

Radeon 550

Graphics Card

Nov 2022

Release Date

Apr 2017

Navi III

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1387 MHz

Base Clock

1100 MHz

2394 MHz

Boost Clock

1183 MHz

2500 MHz

Memory Clock

1750 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

64bit

800.0GB/s

Bandwidth

56.00GB/s

Render Config

84

Compute Units

8

-

5376

Shading Units

512

336

TMUs

32

192

ROPs

16

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

18.93 GPixel/s

804.4 GTexel/s

Texture Rate

37.86 GTexel/s

103.0 TFLOPS

FP16 (half)

1211 GFLOPS

51.48 TFLOPS

FP32 (float)

1211 GFLOPS

1.609 TFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

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

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Lexa

Navi 31 XT (215-145000156)

GPU Variant

Lexa PRO (215-0904018)

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

2.2 billion

529 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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