NVIDIA GeForce 825M vs NVIDIA GeForce 805A

VS

NVIDIA GeForce 825M

NVIDIA GeForce 805A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 825M and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 825M 's Advantages

Boost Clock has increased by 24% (941MHz vs 758MHz)

192 additional rendering cores

NVIDIA GeForce 805A 's Advantages

Released 6 months late

Larger VRAM bandwidth (16.02GB/s vs 14.40GB/s)

Lower TDP (15W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 825M +148%

0.723 TFLOPS

GeForce 805A

0.291 TFLOPS

GeForce 825M

VS

GeForce 805A

Graphics Card

Jan 2014

Release Date

Jul 2014

GeForce 800M

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

850 MHz

Base Clock

719 MHz

941 MHz

Boost Clock

758 MHz

900 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

16.02GB/s

Render Config

-

384

Shading Units

192

32

TMUs

16

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

7.528 GPixel/s

Pixel Rate

6.064 GPixel/s

30.11 GTexel/s

Texture Rate

12.13 GTexel/s

-

722.7 GFLOPS

FP32 (float)

291.1 GFLOPS

30.11 GFLOPS

FP64 (double)

12.13 GFLOPS

Board Design

33W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK208

GPU Name

GK208

-

Kepler 2.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.02 billion

87 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

3.5

CUDA

3.5

5.1

Shader Model

5.1

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