NVIDIA GeForce GTX 675M vs ATI Mobility Radeon HD 3850 X2

VS

NVIDIA GeForce GTX 675M

ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675M 's Advantages

Released 3 years and 9 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 48.00GB/s)

64 additional rendering cores

ATI Mobility Radeon HD 3850 X2 's Advantages

Lower TDP (70W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675M +156%

0.952 TFLOPS

Mobility Radeon HD 3850 X2

0.371 TFLOPS

GeForce GTX 675M

VS

Mobility Radeon HD 3850 X2

Graphics Card

Mar 2012

Release Date

Jun 2008

GeForce 600M

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

4

8

SM Count

-

384

Shading Units

320

64

TMUs

16

32

ROPs

16

-

64 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

9.280 GPixel/s

39.68 GTexel/s

Texture Rate

9.280 GTexel/s

-

952.3 GFLOPS

FP32 (float)

371.2 GFLOPS

79.36 GFLOPS

FP64 (double)

74.24 GFLOPS

Board Design

100W

TDP

70W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF114

GPU Name

M88

N13E-GS1-A1

GPU Variant

-

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.666 billion

332 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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