NVIDIA GeForce GT 755M Mac Edition vs AMD Radeon HD 6490M Mac Edition

VS

NVIDIA GeForce GT 755M Mac Edition

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M Mac Edition 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 GT 755M Mac Edition 's Advantages

Released 2 years and 6 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (80.00GB/s vs 25.41GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 755M Mac Edition +247%

0.833 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce GT 755M Mac Edition

VS

Radeon HD 6490M Mac Edition

Graphics Card

Nov 2013

Release Date

May 2011

GeForce 700M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

794 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

80.00GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

160

32

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

8.680 GPixel/s

Pixel Rate

3.000 GPixel/s

34.72 GTexel/s

Texture Rate

6.000 GTexel/s

-

833.3 GFLOPS

FP32 (float)

240.0 GFLOPS

34.72 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK107

GPU Name

Seymour

GT 755M

GPU Variant

Seymour XTX M2 (216-0809000)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.37 billion

118 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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