NVIDIA GeForce GT 745A vs ATI Mobility Radeon HD 550v

VS

NVIDIA GeForce GT 745A

ATI Mobility Radeon HD 550v

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 1024MB VRAM Mobility Radeon HD 550v to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Released 3 years and 3 months late

Boost Clock915MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 19.20GB/s)

64 additional rendering cores

ATI Mobility Radeon HD 550v 's Advantages

Lower TDP (10W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 745A +144%

0.703 TFLOPS

Mobility Radeon HD 550v

0.288 TFLOPS

GeForce GT 745A

VS

Mobility Radeon HD 550v

Graphics Card

Aug 2013

Release Date

May 2010

GeForce 700A

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

837 MHz

Base Clock

-

915 MHz

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

19.20GB/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

3.600 GPixel/s

29.28 GTexel/s

Texture Rate

14.40 GTexel/s

-

702.7 GFLOPS

FP32 (float)

288.0 GFLOPS

29.28 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

10W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

M96

N14P-LP

GPU Variant

-

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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