NVIDIA GeForce GTX 780 Ti Engineering Sample vs NVIDIA GeForce GTX 650 Ti OEM

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

NVIDIA GeForce GTX 650 Ti OEM

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 2GB VRAM GeForce GTX 650 Ti OEM 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 2GB)

Larger VRAM bandwidth (336.6GB/s vs 86.40GB/s)

2112 additional rendering cores

NVIDIA GeForce GTX 650 Ti OEM 's Advantages

Lower TDP (110W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +275%

5.345 TFLOPS

GeForce GTX 650 Ti OEM

1.425 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

GeForce GTX 650 Ti OEM

Graphics Card

Unknown

Release Date

Mar 2013

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

875 MHz

Base Clock

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

1350 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

336.6GB/s

Bandwidth

86.40GB/s

Render Config

-

2880

Shading Units

768

240

TMUs

64

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

14.85 GPixel/s

222.7 GTexel/s

Texture Rate

59.39 GTexel/s

-

5.345 TFLOPS

FP32 (float)

1425 GFLOPS

222.7 GFLOPS

FP64 (double)

59.39 GFLOPS

Board Design

250W

TDP

110W

600 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GK180

GPU Name

GK106

GK180-425-A1

GPU Variant

-

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_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.2.175

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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