NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA GeForce GTX 770

VS

NVIDIA GeForce GTX 780 Rev. 2

NVIDIA GeForce GTX 770

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 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 780 Rev. 2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 224.4GB/s)

768 additional rendering cores

NVIDIA GeForce GTX 770 's Advantages

Boost Clock has increased by 20% (1085MHz vs 902MHz)

Lower TDP (230W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2 +24%

4.156 TFLOPS

GeForce GTX 770

3.333 TFLOPS

GeForce GTX 780 Rev. 2

VS

GeForce GTX 770

Graphics Card

Sep 2013

Release Date

May 2013

GeForce 700

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

863 MHz

Base Clock

1046 MHz

902 MHz

Boost Clock

1085 MHz

1502 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

224.4GB/s

Render Config

-

2304

Shading Units

1536

192

TMUs

128

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

34.72 GPixel/s

173.2 GTexel/s

Texture Rate

138.9 GTexel/s

-

4.156 TFLOPS

FP32 (float)

3.333 TFLOPS

173.2 GFLOPS

FP64 (double)

138.9 GFLOPS

Board Design

250W

TDP

230W

600 W

Suggested PSU

550 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK110B

GPU Name

GK104

GK110-300-B1

GPU Variant

GK104-425-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

3.54 billion

561 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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