ATI Mobility Radeon HD 3870 vs NVIDIA GeForce 9800M GTX

VS

ATI Mobility Radeon HD 3870

NVIDIA GeForce 9800M GTX

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 1024MB VRAM GeForce 9800M GTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

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

208 additional rendering cores

Lower TDP (55W vs 75W)

NVIDIA GeForce 9800M GTX 's Advantages

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870 +50%

0.422 TFLOPS

GeForce 9800M GTX

0.28 TFLOPS

Mobility Radeon HD 3870

VS

GeForce 9800M GTX

Graphics Card

Jun 2008

Release Date

Jul 2008

M8x

Generation

GeForce 9M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

51.20GB/s

Render Config

4

Compute Units

-

SM Count

14

320

Shading Units

112

16

TMUs

56

16

ROPs

16

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

8.000 GPixel/s

10.56 GTexel/s

Texture Rate

28.00 GTexel/s

-

422.4 GFLOPS

FP32 (float)

280.0 GFLOPS

84.48 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M88

GPU Name

G92

-

GPU Variant

NB9E-GTX

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.666 billion

Transistors

0.754 billion

192 mm²

Die Size

324 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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