NVIDIA GeForce 8400M GS vs ATI Mobility Radeon HD 4830

VS

NVIDIA GeForce 8400M GS

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4830 's Advantages

Released 1 years and 10 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 6.400GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Mobility Radeon HD 4830 +2361%

0.64 TFLOPS

GeForce 8400M GS

VS

Mobility Radeon HD 4830

Graphics Card

May 2007

Release Date

Mar 2009

GeForce 8M

Generation

M9x

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

8

2

SM Count

-

16

Shading Units

640

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

128 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

8.000 GPixel/s

3.200 GTexel/s

Texture Rate

16.00 GTexel/s

-

25.60 GFLOPS

FP32 (float)

640.0 GFLOPS

-

FP64 (double)

128.0 GFLOPS

Board Design

11W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

G86

GPU Name

M97

NB8M-GS

GPU Variant

M97 M2 (216-0731004)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.21 billion

Transistors

0.826 billion

127 mm²

Die Size

137 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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