NVIDIA GeForce GTX 675M vs AMD Radeon HD 6490M Mac Edition

VS

NVIDIA GeForce GTX 675M

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675M and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675M 's Advantages

Released 10 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 25.41GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 675M +296%

0.952 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce GTX 675M

VS

Radeon HD 6490M Mac Edition

Graphics Card

Mar 2012

Release Date

May 2011

GeForce 600M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

794 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

96.00GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

8

SM Count

-

384

Shading Units

160

64

TMUs

8

32

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

3.000 GPixel/s

39.68 GTexel/s

Texture Rate

6.000 GTexel/s

-

952.3 GFLOPS

FP32 (float)

240.0 GFLOPS

79.36 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF114

GPU Name

Seymour

N13E-GS1-A1

GPU Variant

Seymour XTX M2 (216-0809000)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.37 billion

332 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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