NVIDIA GeForce 825M vs NVIDIA GeForce 8400M GT

VS

NVIDIA GeForce 825M

NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 825M 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 825M 's Advantages

Released 6 years and 8 months late

Boost Clock941MHz

More VRAM (1024GB vs 512GB)

368 additional rendering cores

NVIDIA GeForce 8400M GT 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 14.40GB/s)

Lower TDP (14W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 825M +2393%

0.723 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

GeForce 825M

VS

GeForce 8400M GT

Graphics Card

Jan 2014

Release Date

May 2007

GeForce 800M

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

850 MHz

Base Clock

-

941 MHz

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

19.20GB/s

Render Config

-

SM Count

2

384

Shading Units

16

32

TMUs

8

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

7.528 GPixel/s

Pixel Rate

1.800 GPixel/s

30.11 GTexel/s

Texture Rate

3.600 GTexel/s

-

722.7 GFLOPS

FP32 (float)

28.80 GFLOPS

30.11 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK208

GPU Name

G86

-

GPU Variant

G86-603-A2

Kepler 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.02 billion

Transistors

0.21 billion

87 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

3.5

CUDA

1.1

5.1

Shader Model

4.0

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