NVIDIA GeForce GT 740A vs AMD Radeon HD 6770M Mac Edition

VS

NVIDIA GeForce GT 740A

AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 512MB VRAM Radeon HD 6770M 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 7 months late

More VRAM (2GB vs 512GB)

Lower TDP (33W vs 35W)

AMD Radeon HD 6770M Mac Edition 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 14.40GB/s)

96 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 740A +8%

0.753 TFLOPS

Radeon HD 6770M Mac Edition

0.696 TFLOPS

GeForce GT 740A

VS

Radeon HD 6770M Mac Edition

Graphics Card

Aug 2013

Release Date

Jan 2011

GeForce 700A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

57.60GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

480

32

TMUs

24

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

5.800 GPixel/s

31.36 GTexel/s

Texture Rate

17.40 GTexel/s

-

752.6 GFLOPS

FP32 (float)

696.0 GFLOPS

31.36 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

Whistler

GT 740M

GPU Variant

Whistler XT (216-0810001)

Kepler 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

0.716 billion

87 mm²

Die Size

104 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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