NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce GT 620

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample 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 780 Ti Engineering Sample 's Advantages

Boost Clock928MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (336.6GB/s vs 14.40GB/s)

2784 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +1886%

5.345 TFLOPS

GeForce GT 620

0.269 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

GeForce GT 620

Graphics Card

Unknown

Release Date

May 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

875 MHz

Base Clock

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

336.6GB/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

55.68 GPixel/s

Pixel Rate

2.800 GPixel/s

222.7 GTexel/s

Texture Rate

11.20 GTexel/s

-

5.345 TFLOPS

FP32 (float)

268.8 GFLOPS

222.7 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

250W

TDP

49W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK180

GPU Name

GF108

GK180-425-A1

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_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.2.175

Vulkan

N/A

3.5

CUDA

2.1

5.1

Shader Model

5.1

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