AMD Radeon RX 550X vs NVIDIA GeForce GT 620

VS

AMD Radeon RX 550X NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 6 years and 7 months late

Boost Clock1183MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 14.40GB/s)

416 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 550X +350%

1.211 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon RX 550X

VS

GeForce GT 620

Graphics Card

Dec 2018

Release Date

May 2012

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

8

Compute Units

-

512

Shading Units

96

32

TMUs

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

Theoretical Performance

18.93 GPixel/s

Pixel Rate

2.800 GPixel/s

37.86 GTexel/s

Texture Rate

11.20 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

268.8 GFLOPS

75.71 GFLOPS

FP64 (double)

22.40 GFLOPS

Graphics Processor

Lexa

GPU Name

GF108

Lexa PRO (215-0904018)

GPU Variant

GF108-100-KB-A1

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.585 billion

103 mm²

Die Size

116 mm²

Board Design

50W

TDP

49W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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