GeForce GTX 780 vs GeForce GTX 680 Mac Edition

VS

NVIDIA GeForce GTX 780

NVIDIA GeForce GTX 680 Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 2GB VRAM GeForce GTX 680 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce GTX 780 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 192.3GB/s)

768 additional rendering cores

GeForce GTX 680 Mac Edition 's Advantages

Boost Clock has increased by 17% (1058MHz vs 902MHz)

Lower TDP (195W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 +27%

4156

GeForce GTX 680 Mac Edition

3250

GeForce GTX 780

VS

GeForce GTX 680 Mac Edition

Graphics Card

May 2013

Release Date

Apr 2013

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

863 MHz

Base Clock

1006 MHz

902 MHz

Boost Clock

1058 MHz

1502 MHz

Memory Clock

1502 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

192.3GB/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

33.86 GPixel/s

173.2 GTexel/s

Texture Rate

135.4 GTexel/s

4.156 TFLOPS

FP32 (float)

3.250 TFLOPS

173.2 GFLOPS

FP64 (double)

135.4 GFLOPS

Board Design

250W

TDP

195W

600 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

GK110

GPU Name

GK104

GK110-300-A1

GPU Variant

GK104-400-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_0)

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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