ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce 825M

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce 825M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 14.40GB/s)

NVIDIA GeForce 825M 's Advantages

Released 4 years and 4 months late

Boost Clock941MHz

More VRAM (1024GB vs 256GB)

64 additional rendering cores

Lower TDP (33W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

GeForce 825M +66%

0.723 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce 825M

Graphics Card

Sep 2009

Release Date

Jan 2014

M9x

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

941 MHz

790 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

32

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

7.528 GPixel/s

21.76 GTexel/s

Texture Rate

30.11 GTexel/s

-

435.2 GFLOPS

FP32 (float)

722.7 GFLOPS

-

FP64 (double)

30.11 GFLOPS

Board Design

35W

TDP

33W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M96

GPU Name

GK208

M96 XT (216-0729051)

GPU Variant

-

TeraScale

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

1.02 billion

146 mm²

Die Size

87 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

4.1

Shader Model

5.1

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