NVIDIA GeForce GT 745A vs ATI Mobility Radeon HD 3850 X2

VS

NVIDIA GeForce GT 745A

ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Released 5 years and 2 months late

Boost Clock915MHz

More VRAM (2GB vs 512GB)

64 additional rendering cores

Lower TDP (33W vs 70W)

ATI Mobility Radeon HD 3850 X2 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 745A +89%

0.703 TFLOPS

Mobility Radeon HD 3850 X2

0.371 TFLOPS

GeForce GT 745A

VS

Mobility Radeon HD 3850 X2

Graphics Card

Aug 2013

Release Date

Jun 2008

GeForce 700A

Generation

M8x

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

750 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

4

-

384

Shading Units

320

32

TMUs

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

9.280 GPixel/s

29.28 GTexel/s

Texture Rate

9.280 GTexel/s

-

702.7 GFLOPS

FP32 (float)

371.2 GFLOPS

29.28 GFLOPS

FP64 (double)

74.24 GFLOPS

Board Design

33W

TDP

70W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

M88

N14P-LP

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.666 billion

118 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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