NVIDIA GeForce GT 620M vs AMD Radeon RX 480 Mobile

VS

NVIDIA GeForce GT 620M AMD Radeon RX 480 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 8GB VRAM Radeon RX 480 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 100W)

AMD Radeon RX 480 Mobile 's Advantages

Released 4 years late

Boost Clock1077MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (256.0GB/s vs 28.80GB/s)

2208 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 620M

0.253 TFLOPS

Radeon RX 480 Mobile +1861%

4.963 TFLOPS

GeForce GT 620M

VS

Radeon RX 480 Mobile

Graphics Card

Aug 2012

Release Date

Aug 2016

GeForce 600M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

256.0GB/s

Render Config

2

SM Count

-

Compute Units

36

96

Shading Units

2304

16

TMUs

144

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

2.640 GPixel/s

Pixel Rate

34.46 GPixel/s

10.56 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

253.4 GFLOPS

FP32 (float)

4.963 TFLOPS

21.12 GFLOPS

FP64 (double)

310.2 GFLOPS

Graphics Processor

GF108

GPU Name

Ellesmere

N13P-GLP-A1

GPU Variant

Ellesmere XT

Fermi

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.585 billion

Transistors

5.7 billion

116 mm²

Die Size

232 mm²

Board Design

15W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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