AMD Radeon RX 580G vs NVIDIA GeForce GT 620

VS

AMD Radeon RX 580G

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G 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 580G 's Advantages

Released 6 years and 5 months late

Boost Clock1330MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)

2208 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +2178%

6.129 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon RX 580G

VS

GeForce GT 620

Graphics Card

Oct 2018

Release Date

May 2012

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1330 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

14.40GB/s

Render Config

36

Compute Units

-

SM Count

2

2304

Shading Units

96

144

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

2.800 GPixel/s

191.5 GTexel/s

Texture Rate

11.20 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

268.8 GFLOPS

383.0 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

185W

TDP

49W

450 W

Suggested PSU

200 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

GF108

Polaris 20 XTX (215-0910038)

GPU Variant

GF108-100-KB-A1

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.585 billion

232 mm²

Die Size

116 mm²

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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