AMD Radeon 550X vs NVIDIA GeForce RTX 5080

VS

AMD Radeon 550X

NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 16GB VRAM GeForce RTX 5080 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 350W)

NVIDIA GeForce RTX 5080 's Advantages

Released 5 years and 10 months late

Boost Clock has increased by 107% (2520MHz vs 1218MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (973.8GB/s vs 112.0GB/s)

10240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

GeForce RTX 5080 +4245%

54.19 TFLOPS

Radeon 550X

VS

GeForce RTX 5080

Graphics Card

Mar 2019

Release Date

Jan 2025

Polaris

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 5.0 x16

Clock Speeds

1082 MHz

Base Clock

2235 MHz

1218 MHz

Boost Clock

2520 MHz

1750 MHz

Memory Clock

2400 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

973.8GB/s

Render Config

8

Compute Units

-

SM Count

84

512

Shading Units

10752

32

TMUs

336

16

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

64 MB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

322.6 GPixel/s

38.98 GTexel/s

Texture Rate

846.7 GTexel/s

1247 GFLOPS

FP16 (half)

54.19 TFLOPS

1247 GFLOPS

FP32 (float)

54.19 TFLOPS

77.95 GFLOPS

FP64 (double)

846.7 GFLOPS

Board Design

50W

TDP

350W

250 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

None

Power Connectors

1x 16-pin

Graphics Processor

Lexa

GPU Name

GB203

Lexa PRO (215-0904018)

GPU Variant

GB203-400-A1

GCN 4.0

Architecture

Blackwell 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

0

2.2 billion

Transistors

Unknown

103 mm²

Die Size

377 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

10.1

6.4

Shader Model

6.8

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