NVIDIA GeForce GTX 745 OEM vs NVIDIA GeForce GTX 780 6 GB

VS

NVIDIA GeForce GTX 745 OEM

NVIDIA GeForce GTX 780 6 GB

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 745 OEM and 6GB VRAM GeForce GTX 780 6 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 745 OEM 's Advantages

Lower TDP (55W vs 250W)

NVIDIA GeForce GTX 780 6 GB 's Advantages

Boost Clock902MHz

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (288.4GB/s vs 28.80GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 745 OEM

0.793 TFLOPS

GeForce GTX 780 6 GB +424%

4.156 TFLOPS

GeForce GTX 745 OEM

VS

GeForce GTX 780 6 GB

Graphics Card

Feb 2014

Release Date

Sep 2013

GeForce 700

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

900 MHz

Memory Clock

1502 MHz

Memory

4GB

Memory Size

6GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

28.80GB/s

Bandwidth

288.4GB/s

Render Config

-

384

Shading Units

2304

24

TMUs

192

16

ROPs

48

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

1536 KB

-

Theoretical Performance

16.53 GPixel/s

Pixel Rate

43.30 GPixel/s

24.79 GTexel/s

Texture Rate

173.2 GTexel/s

-

793.3 GFLOPS

FP32 (float)

4.156 TFLOPS

24.79 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

55W

TDP

250W

250 W

Suggested PSU

600 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

GK110B

GM107-220-A2

GPU Variant

GK110-301-B1

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

7.08 billion

148 mm²

Die Size

561 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.5

5.1

Shader Model

5.1

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