NVIDIA GeForce GT 740A vs AMD Radeon HD 6630M

VS

NVIDIA GeForce GT 740A

AMD Radeon HD 6630M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 1024MB VRAM Radeon HD 6630M 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 1024GB)

AMD Radeon HD 6630M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

96 additional rendering cores

Lower TDP (26W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 740A +56%

0.753 TFLOPS

Radeon HD 6630M

0.48 TFLOPS

GeForce GT 740A

VS

Radeon HD 6630M

Graphics Card

Aug 2013

Release Date

Jan 2011

GeForce 700A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

25.60GB/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

4.000 GPixel/s

31.36 GTexel/s

Texture Rate

12.00 GTexel/s

-

752.6 GFLOPS

FP32 (float)

480.0 GFLOPS

31.36 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

Whistler

GT 740M

GPU Variant

Whistler LP

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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