NVIDIA GeForce 620M vs AMD Radeon R9 M275

VS

NVIDIA GeForce 620M

AMD Radeon R9 M275

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 2GB VRAM Radeon R9 M275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275 's Advantages

Released 1 years and 10 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

Radeon R9 M275 +393%

1.184 TFLOPS

GeForce 620M

VS

Radeon R9 M275

Graphics Card

Mar 2012

Release Date

Jan 2014

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

2

SM Count

-

96

Shading Units

640

16

TMUs

40

8

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

14.80 GPixel/s

10.00 GTexel/s

Texture Rate

37.00 GTexel/s

-

240.0 GFLOPS

FP32 (float)

1184 GFLOPS

20.00 GFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF117

GPU Name

Venus

N13P-GLP

GPU Variant

Venus XTX (216-0846033)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

1.5 billion

116 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

2.1

CUDA

-

5.1

Shader Model

6.5 (5.1)

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