AMD Radeon HD 6625M vs NVIDIA GeForce GT 650M Mac Edition

VS

AMD Radeon HD 6625M

NVIDIA GeForce GT 650M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6625M 's Advantages

More VRAM (1024GB vs 512GB)

96 additional rendering cores

Lower TDP (26W vs 45W)

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (80.26GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

GeForce GT 650M Mac Edition +59%

0.691 TFLOPS

Radeon HD 6625M

VS

GeForce GT 650M Mac Edition

Graphics Card

Jan 2011

Release Date

Jul 2012

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1254 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

80.26GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

7.200 GPixel/s

10.80 GTexel/s

Texture Rate

28.80 GTexel/s

-

432.0 GFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

28.80 GFLOPS

Board Design

26W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GK107

Whistler LP

GPU Variant

N13P-GT-W-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.27 billion

104 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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