AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce 825M

VS

AMD Radeon HD 6490M Mac Edition

NVIDIA GeForce 825M

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M Mac Edition 's Advantages

Larger VRAM bandwidth (25.41GB/s vs 14.40GB/s)

NVIDIA GeForce 825M 's Advantages

Released 2 years and 8 months late

Boost Clock941MHz

More VRAM (1024GB vs 256GB)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce 825M +201%

0.723 TFLOPS

Radeon HD 6490M Mac Edition

VS

GeForce 825M

Graphics Card

May 2011

Release Date

Jan 2014

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

941 MHz

794 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

25.41GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

-

160

Shading Units

384

8

TMUs

32

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

7.528 GPixel/s

6.000 GTexel/s

Texture Rate

30.11 GTexel/s

-

240.0 GFLOPS

FP32 (float)

722.7 GFLOPS

-

FP64 (double)

30.11 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

GK208

Seymour XTX M2 (216-0809000)

GPU Variant

-

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.02 billion

67 mm²

Die Size

87 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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