NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA GeForce GTX 650 Ti Boost

VS

NVIDIA GeForce GTX 780 Rev. 2

NVIDIA GeForce GTX 650 Ti Boost

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 2GB VRAM GeForce GTX 650 Ti Boost 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

Released 6 months late

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 144.2GB/s)

1536 additional rendering cores

NVIDIA GeForce GTX 650 Ti Boost 's Advantages

Boost Clock has increased by 14% (1032MHz vs 902MHz)

Lower TDP (134W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2 +162%

4.156 TFLOPS

GeForce GTX 650 Ti Boost

1.585 TFLOPS

GeForce GTX 780 Rev. 2

VS

GeForce GTX 650 Ti Boost

Graphics Card

Sep 2013

Release Date

Mar 2013

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

863 MHz

Base Clock

980 MHz

902 MHz

Boost Clock

1032 MHz

1502 MHz

Memory Clock

1502 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

192bit

288.4GB/s

Bandwidth

144.2GB/s

Render Config

-

2304

Shading Units

768

192

TMUs

64

48

ROPs

24

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

384 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

16.51 GPixel/s

173.2 GTexel/s

Texture Rate

66.05 GTexel/s

-

4.156 TFLOPS

FP32 (float)

1.585 TFLOPS

173.2 GFLOPS

FP64 (double)

66.05 GFLOPS

Board Design

250W

TDP

134W

600 W

Suggested PSU

300 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

Graphics Processor

GK110B

GPU Name

GK106

GK110-300-B1

GPU Variant

GK106-240-A1

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

2.54 billion

561 mm²

Die Size

221 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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