NVIDIA GeForce GT 745A vs ATI Radeon E4690 MXM

VS

NVIDIA GeForce GT 745A

ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Released 4 years and 2 months late

Boost Clock915MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 22.40GB/s)

64 additional rendering cores

ATI Radeon E4690 MXM 's Advantages

Lower TDP (30W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 745A +83%

0.703 TFLOPS

Radeon E4690 MXM

0.384 TFLOPS

GeForce GT 745A

VS

Radeon E4690 MXM

Graphics Card

Aug 2013

Release Date

Jun 2009

GeForce 700A

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

837 MHz

Base Clock

-

915 MHz

Boost Clock

-

900 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

-

384

Shading Units

320

32

TMUs

32

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

4.800 GPixel/s

29.28 GTexel/s

Texture Rate

19.20 GTexel/s

-

702.7 GFLOPS

FP32 (float)

384.0 GFLOPS

29.28 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

RV730

N14P-LP

GPU Variant

RV730 XT E4690 (215-0729055)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.514 billion

118 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

3.0

CUDA

-

5.1

Shader Model

4.1

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