NVIDIA GeForce GTX TITAN Z vs NVIDIA GeForce GTX 780

VS

NVIDIA GeForce GTX TITAN Z NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN Z and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN Z 's Advantages

Released 1 years late

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (336.0GB/s vs 288.4GB/s)

576 additional rendering cores

NVIDIA GeForce GTX 780 's Advantages

Boost Clock has increased by 3% (902MHz vs 876MHz)

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN Z +21%

5.046 TFLOPS

GeForce GTX 780

4.156 TFLOPS

GeForce GTX TITAN Z

VS

GeForce GTX 780

Graphics Card

May 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

705 MHz

Base Clock

863 MHz

876 MHz

Boost Clock

902 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

6GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

336.0GB/s

Bandwidth

288.4GB/s

Render Config

-

SM Count

-

Compute Units

-

2880

Shading Units

2304

240

TMUs

192

48

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

1536 KB

Theoretical Performance

52.56 GPixel/s

Pixel Rate

43.30 GPixel/s

210.2 GTexel/s

Texture Rate

173.2 GTexel/s

-

FP16 (half)

-

5.046 TFLOPS

FP32 (float)

4.156 TFLOPS

1.682 TFLOPS

FP64 (double)

173.2 GFLOPS

Graphics Processor

GK110B

GPU Name

GK110

GK110-350-B1

GPU Variant

GK110-300-A1

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

7.08 billion

561 mm²

Die Size

561 mm²

Board Design

375W

TDP

250W

750 W

Suggested PSU

600 W

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

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

3.5

5.1

Shader Model

5.1

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