NVIDIA GeForce GTX TITAN Z vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce GTX TITAN Z

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN Z and 1024MB VRAM GeForce GT 620 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 2 years late

Boost Clock876MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 14.40GB/s)

2784 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN Z +1775%

5.046 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce GTX TITAN Z

VS

GeForce GT 620

Graphics Card

May 2014

Release Date

May 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

705 MHz

Base Clock

-

876 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

336.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

2880

Shading Units

96

240

TMUs

16

48

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1536 KB

L2 Cache

128 KB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

2.800 GPixel/s

210.2 GTexel/s

Texture Rate

11.20 GTexel/s

-

5.046 TFLOPS

FP32 (float)

268.8 GFLOPS

1.682 TFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

375W

TDP

49W

750 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

GK110B

GPU Name

GF108

GK110-350-B1

GPU Variant

GF108-100-KB-A1

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

0.585 billion

561 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

2.1

5.1

Shader Model

5.1

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