AMD Radeon R9 M290X vs NVIDIA GeForce 620M

VS

AMD Radeon R9 M290X

NVIDIA GeForce 620M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X and 1024MB VRAM GeForce 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X 's Advantages

Released 1 years and 10 months late

Boost Clock900MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)

1184 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X +860%

2.304 TFLOPS

GeForce 620M

0.24 TFLOPS

Radeon R9 M290X

VS

GeForce 620M

Graphics Card

Jan 2014

Release Date

Mar 2012

Crystal System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

14.40GB/s

Render Config

20

Compute Units

-

SM Count

2

1280

Shading Units

96

80

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

2.500 GPixel/s

72.00 GTexel/s

Texture Rate

10.00 GTexel/s

-

2.304 TFLOPS

FP32 (float)

240.0 GFLOPS

144.0 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Neptune

GPU Name

GF117

Neptune XT (216-0847000)

GPU Variant

N13P-GLP

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

0.585 billion

212 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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