AMD Radeon HD 6630M Mac Edition vs NVIDIA GeForce GT 625M

VS

AMD Radeon HD 6630M Mac Edition

NVIDIA GeForce GT 625M

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 2GB VRAM GeForce GT 625M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6630M Mac Edition 's Advantages

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

384 additional rendering cores

NVIDIA GeForce GT 625M 's Advantages

Released 1 years and 9 months late

More VRAM (2GB vs 256GB)

Lower TDP (15W vs 26W)

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition +100%

0.48 TFLOPS

GeForce GT 625M

0.24 TFLOPS

Radeon HD 6630M Mac Edition

VS

GeForce GT 625M

Graphics Card

Jan 2011

Release Date

Oct 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

19.20GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

SM Count

2

480

Shading Units

96

24

TMUs

16

8

ROPs

4

-

L1 Cache

64 KB (per SM)

-

L2 Cache

128 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

2.500 GPixel/s

12.00 GTexel/s

Texture Rate

10.00 GTexel/s

-

480.0 GFLOPS

FP32 (float)

240.0 GFLOPS

-

FP64 (double)

20.00 GFLOPS

Board Design

26W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GF117

Whistler LP

GPU Variant

N13M-GS-B-A2

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

0.585 billion

104 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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