NVIDIA GeForce 825M vs ATI Mobility Radeon HD 4870

VS

NVIDIA GeForce 825M

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 825M and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 825M 's Advantages

Released 5 years late

Boost Clock941MHz

More VRAM (1024GB vs 512GB)

ATI Mobility Radeon HD 4870 's Advantages

Larger VRAM bandwidth (56.83GB/s vs 14.40GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 825M

0.723 TFLOPS

Mobility Radeon HD 4870 +21%

0.88 TFLOPS

GeForce 825M

VS

Mobility Radeon HD 4870

Graphics Card

Jan 2014

Release Date

Jan 2009

GeForce 800M

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

941 MHz

Boost Clock

-

900 MHz

Memory Clock

888 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

56.83GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

800

32

TMUs

40

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

7.528 GPixel/s

Pixel Rate

8.800 GPixel/s

30.11 GTexel/s

Texture Rate

22.00 GTexel/s

-

722.7 GFLOPS

FP32 (float)

880.0 GFLOPS

30.11 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GK208

GPU Name

M98

-

GPU Variant

M98 XT L2 (216-0732023)

Kepler 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.02 billion

Transistors

0.956 billion

87 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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