NVIDIA GeForce GT 740A vs ATI Mobility Radeon HD 4650

VS

NVIDIA GeForce GT 740A

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 740A 's Advantages

Released 4 years and 7 months late

More VRAM (2GB vs 512GB)

64 additional rendering cores

Lower TDP (33W vs 35W)

ATI Mobility Radeon HD 4650 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 740A +135%

0.753 TFLOPS

Mobility Radeon HD 4650

0.32 TFLOPS

GeForce GT 740A

VS

Mobility Radeon HD 4650

Graphics Card

Aug 2013

Release Date

Jan 2009

GeForce 700A

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

19.20GB/s

Render Config

-

Compute Units

4

-

384

Shading Units

320

32

TMUs

32

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

4.000 GPixel/s

31.36 GTexel/s

Texture Rate

16.00 GTexel/s

-

752.6 GFLOPS

FP32 (float)

320.0 GFLOPS

31.36 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

M96

GT 740M

GPU Variant

-

Kepler 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.02 billion

Transistors

0.514 billion

87 mm²

Die Size

146 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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