NVIDIA GeForce GT 625M vs ATI Mobility Radeon HD 3870

VS

NVIDIA GeForce GT 625M

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 625M and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 625M 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 512GB)

Lower TDP (15W vs 55W)

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 14.40GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 625M

0.24 TFLOPS

Mobility Radeon HD 3870 +75%

0.422 TFLOPS

GeForce GT 625M

VS

Mobility Radeon HD 3870

Graphics Card

Oct 2012

Release Date

Jun 2008

GeForce 600M

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

2

SM Count

-

96

Shading Units

320

16

TMUs

16

4

ROPs

16

-

64 KB (per SM)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

10.56 GPixel/s

10.00 GTexel/s

Texture Rate

10.56 GTexel/s

-

240.0 GFLOPS

FP32 (float)

422.4 GFLOPS

20.00 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

15W

TDP

55W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF117

GPU Name

M88

N13M-GS-B-A2

GPU Variant

-

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.585 billion

Transistors

0.666 billion

116 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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