NVIDIA GeForce GTX 675MX vs ATI Mobility Radeon HD 3450

VS

NVIDIA GeForce GTX 675MX

ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

Released 4 years and 9 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 6.400GB/s)

920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 675MX +3040%

1.256 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

GeForce GTX 675MX

VS

Mobility Radeon HD 3450

Graphics Card

Oct 2012

Release Date

Jan 2008

GeForce 600M

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

900 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

2

-

960

Shading Units

40

80

TMUs

4

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

13.08 GPixel/s

Pixel Rate

2.000 GPixel/s

52.32 GTexel/s

Texture Rate

2.000 GTexel/s

-

1256 GFLOPS

FP32 (float)

40.00 GFLOPS

52.32 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

M82

N13E-GSR-A2

GPU Variant

M82-SCE XT (216-0707011)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.181 billion

294 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

10.1

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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