NVIDIA GeForce 620M vs AMD Radeon R9 M485X

VS

NVIDIA GeForce 620M

AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 250W)

AMD Radeon R9 M485X 's Advantages

Released 4 years and 2 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1952 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

Radeon R9 M485X +1133%

2.961 TFLOPS

GeForce 620M

VS

Radeon R9 M485X

Graphics Card

Mar 2012

Release Date

May 2016

GeForce 600M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

32

2

SM Count

-

96

Shading Units

2048

16

TMUs

128

8

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

23.14 GPixel/s

10.00 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

240.0 GFLOPS

FP32 (float)

2.961 TFLOPS

20.00 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

15W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF117

GPU Name

Amethyst

N13P-GLP

GPU Variant

Amethyst XT

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

5 billion

116 mm²

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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