NVIDIA GeForce GT 740A vs AMD Radeon HD 6490M Mac Edition

VS

NVIDIA GeForce GT 740A

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A 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 740A 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 256GB)

224 additional rendering cores

AMD Radeon HD 6490M Mac Edition 's Advantages

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

Score

Benchmark

FP32 (float)

GeForce GT 740A +213%

0.753 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce GT 740A

VS

Radeon HD 6490M Mac Edition

Graphics Card

Aug 2013

Release Date

May 2011

GeForce 700A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

794 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

160

32

TMUs

8

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

3.000 GPixel/s

31.36 GTexel/s

Texture Rate

6.000 GTexel/s

-

752.6 GFLOPS

FP32 (float)

240.0 GFLOPS

31.36 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK208

GPU Name

Seymour

GT 740M

GPU Variant

Seymour XTX M2 (216-0809000)

Kepler 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

0.37 billion

87 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

3.5

CUDA

-

5.1

Shader Model

5.0

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