AMD Radeon RX 550X vs AMD Radeon RX 7950 XTX

VS

AMD Radeon RX 550X AMD Radeon RX 7950 XTX

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 24GB VRAM Radeon RX 7950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Lower TDP (50W vs 355W)

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock has increased by 179% (3300MHz vs 1183MHz)

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (960.0GB/s vs 96.00GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X

1.211 TFLOPS

Radeon RX 7950 XTX +6596%

81.1 TFLOPS

Radeon RX 550X

VS

Radeon RX 7950 XTX

Graphics Card

Dec 2018

Release Date

Unknown

Polaris

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1100 MHz

Base Clock

2200 MHz

1183 MHz

Boost Clock

3300 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

4GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

960.0GB/s

Render Config

-

SM Count

-

8

Compute Units

96

512

Shading Units

6144

32

TMUs

384

16

ROPs

192

-

Tensor Cores

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

Theoretical Performance

18.93 GPixel/s

Pixel Rate

633.6 GPixel/s

37.86 GTexel/s

Texture Rate

1267 GTexel/s

1211 GFLOPS

FP16 (half)

162.2 TFLOPS

1211 GFLOPS

FP32 (float)

81.10 TFLOPS

75.71 GFLOPS

FP64 (double)

2.534 TFLOPS

Graphics Processor

Lexa

GPU Name

Navi 31

Lexa PRO (215-0904018)

GPU Variant

Navi 31 XTX+

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

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 Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.7

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