NVIDIA GeForce GTX 870M vs NVIDIA GeForce 825M

VS

NVIDIA GeForce GTX 870M

NVIDIA GeForce 825M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Boost Clock has increased by 3% (967MHz vs 941MHz)

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (120.0GB/s vs 14.40GB/s)

960 additional rendering cores

NVIDIA GeForce 825M 's Advantages

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 870M +259%

2.599 TFLOPS

GeForce 825M

0.723 TFLOPS

GeForce GTX 870M

VS

GeForce 825M

Graphics Card

Mar 2014

Release Date

Jan 2014

GeForce 800M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

941 MHz

Base Clock

850 MHz

967 MHz

Boost Clock

941 MHz

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

120.0GB/s

Bandwidth

14.40GB/s

Render Config

-

1344

Shading Units

384

112

TMUs

32

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

27.08 GPixel/s

Pixel Rate

7.528 GPixel/s

108.3 GTexel/s

Texture Rate

30.11 GTexel/s

-

2.599 TFLOPS

FP32 (float)

722.7 GFLOPS

108.3 GFLOPS

FP64 (double)

30.11 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

GK208

N15E-GT-A2

GPU Variant

-

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.02 billion

294 mm²

Die Size

87 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.5

5.1

Shader Model

5.1

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