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

VS

AMD Radeon HD 6490M

NVIDIA GeForce GTX 675MX Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 1024MB VRAM GeForce GTX 675MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Released 2 years and 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

GeForce GTX 675MX Mac Edition +655%

1.933 TFLOPS

Radeon HD 6490M

VS

GeForce GTX 675MX Mac Edition

Graphics Card

Jan 2011

Release Date

Apr 2013

Vancouver

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

160.0GB/s

Render Config

2

Compute Units

-

160

Shading Units

1344

8

TMUs

112

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

20.13 GPixel/s

6.400 GTexel/s

Texture Rate

80.53 GTexel/s

-

256.0 GFLOPS

FP32 (float)

1.933 TFLOPS

-

FP64 (double)

80.53 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

GK104

Seymour XTX S3 (216-0809024)

GPU Variant

N13E-GSR-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

3.54 billion

67 mm²

Die Size

294 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

3.0

5.0

Shader Model

5.1

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