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

VS

ATI Mobility Radeon HD 3850 X2

NVIDIA GeForce GTX 675M

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

Main Differences

ATI Mobility Radeon HD 3850 X2 's Advantages

Lower TDP (70W vs 100W)

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

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3850 X2

0.371 TFLOPS

GeForce GTX 675M +156%

0.952 TFLOPS

Mobility Radeon HD 3850 X2

VS

GeForce GTX 675M

Graphics Card

Jun 2008

Release Date

Mar 2012

M8x

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

750 MHz

Memory Clock

750 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

48.00GB/s

Bandwidth

96.00GB/s

Render Config

4

Compute Units

-

SM Count

8

320

Shading Units

384

16

TMUs

64

16

ROPs

32

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

9.280 GPixel/s

Pixel Rate

9.920 GPixel/s

9.280 GTexel/s

Texture Rate

39.68 GTexel/s

-

371.2 GFLOPS

FP32 (float)

952.3 GFLOPS

74.24 GFLOPS

FP64 (double)

79.36 GFLOPS

Board Design

70W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M88

GPU Name

GF114

-

GPU Variant

N13E-GS1-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

1.95 billion

192 mm²

Die Size

332 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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