NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA GeForce GTX 275

VS

NVIDIA GeForce GTX 780 Rev. 2

NVIDIA GeForce GTX 275

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 896MB VRAM GeForce GTX 275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Rev. 2 's Advantages

Released 4 years and 8 months late

Boost Clock902MHz

More VRAM (3GB vs 896GB)

Larger VRAM bandwidth (288.4GB/s vs 127.0GB/s)

2064 additional rendering cores

NVIDIA GeForce GTX 275 's Advantages

Lower TDP (219W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2 +516%

4.156 TFLOPS

GeForce GTX 275

0.674 TFLOPS

GeForce GTX 780 Rev. 2

VS

GeForce GTX 275

Graphics Card

Sep 2013

Release Date

Jan 2009

GeForce 700

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

1134 MHz

Memory

3GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

448bit

288.4GB/s

Bandwidth

127.0GB/s

Render Config

-

SM Count

30

2304

Shading Units

240

192

TMUs

80

48

ROPs

28

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

224 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

17.72 GPixel/s

173.2 GTexel/s

Texture Rate

50.64 GTexel/s

-

4.156 TFLOPS

FP32 (float)

673.9 GFLOPS

173.2 GFLOPS

FP64 (double)

84.24 GFLOPS

Board Design

250W

TDP

219W

600 W

Suggested PSU

550 W

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

Outputs

2x DVI

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110B

GPU Name

GT200B

GK110-300-B1

GPU Variant

G200-105-B3

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

7.08 billion

Transistors

1.4 billion

561 mm²

Die Size

470 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

1.3

5.1

Shader Model

4.0

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