NVIDIA GeForce 8400M G vs NVIDIA GeForce GT 330M

VS

NVIDIA GeForce 8400M G NVIDIA GeForce GT 330M

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M G and 1024MB VRAM GeForce GT 330M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 23W)

NVIDIA GeForce GT 330M 's Advantages

Released 2 years and 8 months late

More VRAM (1024GB vs 256GB)

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

40 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M G

0.013 TFLOPS

GeForce GT 330M +830%

0.121 TFLOPS

GeForce 8400M G

VS

GeForce GT 330M

Graphics Card

May 2007

Release Date

Jan 2010

GeForce 8M

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

25.60GB/s

Render Config

1

SM Count

6

-

Compute Units

-

8

Shading Units

48

8

TMUs

16

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

16 KB

L2 Cache

64 KB

Theoretical Performance

1.600 GPixel/s

Pixel Rate

4.600 GPixel/s

3.200 GTexel/s

Texture Rate

9.200 GTexel/s

-

FP16 (half)

-

12.80 GFLOPS

FP32 (float)

121.4 GFLOPS

-

FP64 (double)

-

Graphics Processor

G86

GPU Name

GT216

NB8M-SE

GPU Variant

N11P-GE1-A3

Tesla

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.21 billion

Transistors

0.486 billion

127 mm²

Die Size

100 mm²

Board Design

10W

TDP

23W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.1 (10_0)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

1.2

4.0

Shader Model

4.1

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