NVIDIA GeForce GT 745A vs NVIDIA GeForce GTX 860M

VS

NVIDIA GeForce GT 745A

NVIDIA GeForce GTX 860M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages

Lower TDP (33W vs 75W)

NVIDIA GeForce GTX 860M 's Advantages

Boost Clock has increased by 19% (1085MHz vs 915MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (80.19GB/s vs 28.80GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

GeForce GTX 860M +97%

1.389 TFLOPS

GeForce GT 745A

VS

GeForce GTX 860M

Graphics Card

Aug 2013

Release Date

Jan 2014

GeForce 700A

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

837 MHz

Base Clock

1020 MHz

915 MHz

Boost Clock

1085 MHz

900 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

80.19GB/s

Render Config

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

17.36 GPixel/s

29.28 GTexel/s

Texture Rate

43.40 GTexel/s

-

702.7 GFLOPS

FP32 (float)

1389 GFLOPS

29.28 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

33W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GM107

N14P-LP

GPU Variant

N15P-GX-A1

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.87 billion

118 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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