NVIDIA GeForce 825M vs AMD Radeon HD 6870M

VS

NVIDIA GeForce 825M

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 825M and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 825M 's Advantages

Released 3 years late

Boost Clock941MHz

Lower TDP (33W vs 50W)

AMD Radeon HD 6870M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 825M

0.723 TFLOPS

Radeon HD 6870M +49%

1.08 TFLOPS

GeForce 825M

VS

Radeon HD 6870M

Graphics Card

Jan 2014

Release Date

Jan 2011

GeForce 800M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

850 MHz

Base Clock

-

941 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

800

32

TMUs

40

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

7.528 GPixel/s

Pixel Rate

10.80 GPixel/s

30.11 GTexel/s

Texture Rate

27.00 GTexel/s

-

722.7 GFLOPS

FP32 (float)

1080 GFLOPS

30.11 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK208

GPU Name

Granville

-

GPU Variant

Granville XT (216-0769024)

Kepler 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

1.04 billion

87 mm²

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

5.0

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