NVIDIA GeForce GTX 670MX vs NVIDIA GeForce 8400M GT

VS

NVIDIA GeForce GTX 670MX

NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX and 512MB VRAM GeForce 8400M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670MX 's Advantages

Released 5 years and 5 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (67.20GB/s vs 19.20GB/s)

944 additional rendering cores

NVIDIA GeForce 8400M GT 's Advantages

Lower TDP (14W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 670MX +3879%

1.154 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

GeForce GTX 670MX

VS

GeForce 8400M GT

Graphics Card

Oct 2012

Release Date

May 2007

GeForce 600M

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

700 MHz

Memory Clock

600 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

67.20GB/s

Bandwidth

19.20GB/s

Render Config

-

SM Count

2

960

Shading Units

16

80

TMUs

8

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

32 KB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

1.800 GPixel/s

48.08 GTexel/s

Texture Rate

3.600 GTexel/s

-

1154 GFLOPS

FP32 (float)

28.80 GFLOPS

48.08 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

G86

N13E-GR-A2

GPU Variant

G86-603-A2

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

3.54 billion

Transistors

0.21 billion

294 mm²

Die Size

127 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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