NVIDIA GeForce 705M vs NVIDIA GeForce 8400M GS

VS

NVIDIA GeForce 705M

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 705M 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (14.40GB/s vs 6.400GB/s)

32 additional rendering cores

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 15W)

Score

Benchmark

FP32 (float)

GeForce 705M +446%

0.142 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

GeForce 705M

VS

GeForce 8400M GS

Graphics Card

Unknown

Release Date

May 2007

GeForce 700M

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-I

Clock Speeds

-

900 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

6.400GB/s

Render Config

-

1

SM Count

2

48

Shading Units

16

8

TMUs

8

4

ROPs

4

-

64 KB (per SM)

L1 Cache

-

128 KB

L2 Cache

16 KB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

1.600 GPixel/s

5.904 GTexel/s

Texture Rate

3.200 GTexel/s

-

141.7 GFLOPS

FP32 (float)

25.60 GFLOPS

11.81 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

11W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

G86

GF119 B1

GPU Variant

NB8M-GS

Fermi 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.292 billion

Transistors

0.21 billion

79 mm²

Die Size

127 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.1

5.1

Shader Model

4.0

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