NVIDIA GeForce GT 745A vs NVIDIA GeForce GTX 850A

VS

NVIDIA GeForce GT 745A

NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 2GB VRAM GeForce GTX 850A 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 45W)

NVIDIA GeForce GTX 850A 's Advantages

Released 7 months late

Boost Clock has increased by 2% (936MHz vs 915MHz)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

GeForce GTX 850A +70%

1.198 TFLOPS

GeForce GT 745A

VS

GeForce GTX 850A

Graphics Card

Aug 2013

Release Date

Mar 2014

GeForce 700A

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

837 MHz

Base Clock

902 MHz

915 MHz

Boost Clock

936 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.80GB/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

14.98 GPixel/s

29.28 GTexel/s

Texture Rate

37.44 GTexel/s

-

702.7 GFLOPS

FP32 (float)

1198 GFLOPS

29.28 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

33W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GM107

N14P-LP

GPU Variant

N15P-GT-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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