NVIDIA GeForce GT 745A vs ATI Mobility Radeon HD 5770

VS

NVIDIA GeForce GT 745A

ATI Mobility Radeon HD 5770

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 1024MB VRAM Mobility Radeon HD 5770 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 7 months late

Boost Clock915MHz

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 5770 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 28.80GB/s)

16 additional rendering cores

Lower TDP (30W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 745A +35%

0.703 TFLOPS

Mobility Radeon HD 5770

0.52 TFLOPS

GeForce GT 745A

VS

Mobility Radeon HD 5770

Graphics Card

Aug 2013

Release Date

Jan 2010

GeForce 700A

Generation

Manhattan

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

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

5

-

384

Shading Units

400

32

TMUs

20

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

5.200 GPixel/s

29.28 GTexel/s

Texture Rate

13.00 GTexel/s

-

702.7 GFLOPS

FP32 (float)

520.0 GFLOPS

29.28 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Madison

N14P-LP

GPU Variant

Madison XT (216-0772003)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.627 billion

118 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

3.0

CUDA

-

5.1

Shader Model

5.0

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