NVIDIA GeForce GTX 880M vs NVIDIA GeForce 8400M GT

VS

NVIDIA GeForce GTX 880M

NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 880M 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 880M 's Advantages

Released 6 years and 10 months late

Boost Clock993MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 19.20GB/s)

1520 additional rendering cores

NVIDIA GeForce 8400M GT 's Advantages

Lower TDP (14W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 880M +10417%

3.05 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

GeForce GTX 880M

VS

GeForce 8400M GT

Graphics Card

Mar 2014

Release Date

May 2007

GeForce 800M

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

954 MHz

Base Clock

-

993 MHz

Boost Clock

-

1250 MHz

Memory Clock

600 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

19.20GB/s

Render Config

-

SM Count

2

1536

Shading Units

16

128

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

31.78 GPixel/s

Pixel Rate

1.800 GPixel/s

127.1 GTexel/s

Texture Rate

3.600 GTexel/s

-

3.050 TFLOPS

FP32 (float)

28.80 GFLOPS

127.1 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

G86

N15E-GX-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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