NVIDIA GeForce 8800M GTX vs ATI Mobility Radeon HD 3870 X2

VS

NVIDIA GeForce 8800M GTX

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8800M GTX and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800M GTX 's Advantages

Lower TDP (65W vs 110W)

ATI Mobility Radeon HD 3870 X2 's Advantages

Released 10 months late

Larger VRAM bandwidth (54.40GB/s vs 51.20GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800M GTX

0.24 TFLOPS

Mobility Radeon HD 3870 X2 +75%

0.422 TFLOPS

GeForce 8800M GTX

VS

Mobility Radeon HD 3870 X2

Graphics Card

Nov 2007

Release Date

Sep 2008

GeForce 8M

Generation

M8x

Mobile

Type

Mobile

MXM-HE

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

12

SM Count

-

96

Shading Units

320

48

TMUs

16

ROPs

16

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

10.56 GPixel/s

24.00 GTexel/s

Texture Rate

10.56 GTexel/s

-

240.0 GFLOPS

FP32 (float)

422.4 GFLOPS

-

FP64 (double)

84.48 GFLOPS

Board Design

65W

TDP

110W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

G92

GPU Name

M88

NB8E-GTX-A2

GPU Variant

-

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.754 billion

Transistors

0.666 billion

324 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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