NVIDIA GeForce GTX 770M vs NVIDIA GeForce 945A

VS

NVIDIA GeForce GTX 770M

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 770M and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 770M 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (96.19GB/s vs 40.10GB/s)

576 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Released 1 years and 10 months late

Boost Clock has increased by 49% (1189MHz vs 797MHz)

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 770M +67%

1.53 TFLOPS

GeForce 945A

0.913 TFLOPS

GeForce GTX 770M

VS

GeForce 945A

Graphics Card

May 2013

Release Date

Mar 2015

GeForce 700M

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

706 MHz

Base Clock

1006 MHz

797 MHz

Boost Clock

1189 MHz

1002 MHz

Memory Clock

1253 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

64bit

96.19GB/s

Bandwidth

40.10GB/s

Render Config

-

960

Shading Units

384

80

TMUs

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

15.94 GPixel/s

Pixel Rate

9.512 GPixel/s

63.76 GTexel/s

Texture Rate

28.54 GTexel/s

-

1.530 TFLOPS

FP32 (float)

913.2 GFLOPS

63.76 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK106

GPU Name

GM108

N14E-GS-A1

GPU Variant

-

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

Unknown

221 mm²

Die Size

Unknown

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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