NVIDIA GeForce 620M vs AMD Radeon HD 6630M Mac Edition

VS

NVIDIA GeForce 620M

AMD Radeon HD 6630M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 256MB VRAM Radeon HD 6630M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 620M 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 256GB)

Lower TDP (15W vs 26W)

AMD Radeon HD 6630M Mac Edition 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 14.40GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

Radeon HD 6630M Mac Edition +100%

0.48 TFLOPS

GeForce 620M

VS

Radeon HD 6630M Mac Edition

Graphics Card

Mar 2012

Release Date

Jan 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

19.20GB/s

Render Config

-

Compute Units

6

2

SM Count

-

96

Shading Units

480

16

TMUs

24

8

ROPs

8

-

64 KB (per SM)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

4.000 GPixel/s

10.00 GTexel/s

Texture Rate

12.00 GTexel/s

-

240.0 GFLOPS

FP32 (float)

480.0 GFLOPS

20.00 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF117

GPU Name

Whistler

N13P-GLP

GPU Variant

Whistler LP

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.585 billion

Transistors

0.716 billion

116 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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