NVIDIA GeForce GTX 745 OEM vs NVIDIA GeForce GTX 770

VS

NVIDIA GeForce GTX 745 OEM

NVIDIA GeForce GTX 770

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 745 OEM and 2GB VRAM GeForce GTX 770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 745 OEM 's Advantages

Released 9 months late

More VRAM (4GB vs 2GB)

Lower TDP (55W vs 230W)

NVIDIA GeForce GTX 770 's Advantages

Boost Clock1085MHz

Larger VRAM bandwidth (224.4GB/s vs 28.80GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 745 OEM

0.793 TFLOPS

GeForce GTX 770 +320%

3.333 TFLOPS

Blender

GeForce GTX 745 OEM

54

GeForce GTX 770 +366%

252

OctaneBench

GeForce GTX 745 OEM

16

GeForce GTX 770 +137%

38

GeForce GTX 745 OEM

VS

GeForce GTX 770

Graphics Card

Feb 2014

Release Date

May 2013

GeForce 700

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1046 MHz

-

Boost Clock

1085 MHz

900 MHz

Memory Clock

1753 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

224.4GB/s

Render Config

-

384

Shading Units

1536

24

TMUs

128

16

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

16.53 GPixel/s

Pixel Rate

34.72 GPixel/s

24.79 GTexel/s

Texture Rate

138.9 GTexel/s

-

793.3 GFLOPS

FP32 (float)

3.333 TFLOPS

24.79 GFLOPS

FP64 (double)

138.9 GFLOPS

Board Design

55W

TDP

230W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 2.0 1x VGA

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GM107

GPU Name

GK104

GM107-220-A2

GPU Variant

GK104-425-A2

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

3.54 billion

148 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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