NVIDIA GeForce GTX 770M vs NVIDIA GeForce GT 745M

VS

NVIDIA GeForce GTX 770M

NVIDIA GeForce GT 745M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 770M and 2GB VRAM GeForce GT 745M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 770M 's Advantages

Boost Clock797MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (96.19GB/s vs 28.80GB/s)

576 additional rendering cores

NVIDIA GeForce GT 745M 's Advantages

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 770M +137%

1.53 TFLOPS

GeForce GT 745M

0.643 TFLOPS

GeForce GTX 770M

VS

GeForce GT 745M

Graphics Card

May 2013

Release Date

Apr 2013

GeForce 700M

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

706 MHz

Base Clock

-

797 MHz

Boost Clock

-

1002 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

96.19GB/s

Bandwidth

28.80GB/s

Render Config

-

960

Shading Units

384

80

TMUs

32

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

15.94 GPixel/s

Pixel Rate

6.696 GPixel/s

63.76 GTexel/s

Texture Rate

26.78 GTexel/s

-

1.530 TFLOPS

FP32 (float)

642.8 GFLOPS

63.76 GFLOPS

FP64 (double)

26.78 GFLOPS

Board Design

75W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK106

GPU Name

GK107

N14E-GS-A1

GPU Variant

N14P-LP

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

1.27 billion

221 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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