NVIDIA GeForce GTX 850A vs NVIDIA GeForce 825M

VS

NVIDIA GeForce GTX 850A

NVIDIA GeForce 825M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A 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 850A 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

256 additional rendering cores

NVIDIA GeForce 825M 's Advantages

Boost Clock has increased by 1% (941MHz vs 936MHz)

Lower TDP (33W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +65%

1.198 TFLOPS

GeForce 825M

0.723 TFLOPS

GeForce GTX 850A

VS

GeForce 825M

Graphics Card

Mar 2014

Release Date

Jan 2014

GeForce 800A

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

902 MHz

Base Clock

850 MHz

936 MHz

Boost Clock

941 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

-

640

Shading Units

384

40

TMUs

32

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

7.528 GPixel/s

37.44 GTexel/s

Texture Rate

30.11 GTexel/s

-

1198 GFLOPS

FP32 (float)

722.7 GFLOPS

37.44 GFLOPS

FP64 (double)

30.11 GFLOPS

Board Design

45W

TDP

33W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM107

GPU Name

GK208

N15P-GT-A1

GPU Variant

-

Maxwell

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.02 billion

148 mm²

Die Size

87 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.5

5.1

Shader Model

5.1

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