NVIDIA GeForce GTX 675M vs ATI Mobility Radeon HD 4850 X2

VS

NVIDIA GeForce GTX 675M

ATI Mobility Radeon HD 4850 X2

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M and 1024MB VRAM Mobility Radeon HD 4850 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 2 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 89.60GB/s)

ATI Mobility Radeon HD 4850 X2 's Advantages

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 675M +19%

0.952 TFLOPS

Mobility Radeon HD 4850 X2

0.8 TFLOPS

GeForce GTX 675M

VS

Mobility Radeon HD 4850 X2

Graphics Card

Mar 2012

Release Date

Jan 2009

GeForce 600M

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

89.60GB/s

Render Config

-

Compute Units

10

8

SM Count

-

384

Shading Units

800

64

TMUs

40

32

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

8.000 GPixel/s

39.68 GTexel/s

Texture Rate

20.00 GTexel/s

-

952.3 GFLOPS

FP32 (float)

800.0 GFLOPS

79.36 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

M98

N13E-GS1-A1

GPU Variant

M98 L2 (216-0732019)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.956 billion

332 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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