NVIDIA GeForce 825M vs NVIDIA GeForce GTX 850M

VS

NVIDIA GeForce 825M

NVIDIA GeForce GTX 850M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 825M and 2GB VRAM GeForce GTX 850M 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 GTX 850M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.03GB/s vs 14.40GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 825M

0.723 TFLOPS

GeForce GTX 850M +59%

1.155 TFLOPS

GeForce 825M

VS

GeForce GTX 850M

Graphics Card

Jan 2014

Release Date

Mar 2014

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

1001 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

32.03GB/s

Render Config

-

384

Shading Units

640

32

TMUs

40

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

7.528 GPixel/s

Pixel Rate

14.43 GPixel/s

30.11 GTexel/s

Texture Rate

36.08 GTexel/s

-

722.7 GFLOPS

FP32 (float)

1155 GFLOPS

30.11 GFLOPS

FP64 (double)

36.08 GFLOPS

Board Design

33W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK208

GPU Name

GM107

-

GPU Variant

N15P-GT-A1

Kepler 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.87 billion

87 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

5.0

5.1

Shader Model

5.1

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