NVIDIA GeForce 825M vs NVIDIA GeForce 820M

VS

NVIDIA GeForce 825M

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 825M and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 825M 's Advantages

Boost Clock941MHz

Lower TDP (33W vs 45W)

NVIDIA GeForce 820M 's Advantages

Released 1 years and 2 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.83GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce 825M +16%

0.723 TFLOPS

GeForce 820M

0.622 TFLOPS

GeForce 825M

VS

GeForce 820M

Graphics Card

Jan 2014

Release Date

Mar 2015

GeForce 800M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

850 MHz

Base Clock

-

941 MHz

Boost Clock

-

900 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.83GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

7.528 GPixel/s

Pixel Rate

6.480 GPixel/s

30.11 GTexel/s

Texture Rate

25.92 GTexel/s

-

722.7 GFLOPS

FP32 (float)

622.1 GFLOPS

30.11 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

33W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK208

GPU Name

GK107

-

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.27 billion

87 mm²

Die Size

118 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

3.5

CUDA

3.0

5.1

Shader Model

5.1

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