NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 260

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce GTX 260

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 896MB VRAM GeForce GTX 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 4 years and 10 months late

More VRAM (1024GB vs 896GB)

384 additional rendering cores

Lower TDP (65W vs 182W)

NVIDIA GeForce GTX 260 's Advantages

Larger VRAM bandwidth (111.9GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +98%

0.949 TFLOPS

GeForce GTX 260

0.477 TFLOPS

GeForce GTX 645 OEM

VS

GeForce GTX 260

Graphics Card

Apr 2013

Release Date

Jun 2008

GeForce 600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

999 MHz

Memory

1024MB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

448bit

64.00GB/s

Bandwidth

111.9GB/s

Render Config

-

SM Count

24

576

Shading Units

192

48

TMUs

64

16

ROPs

28

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

16.13 GPixel/s

39.55 GTexel/s

Texture Rate

36.86 GTexel/s

-

949.2 GFLOPS

FP32 (float)

476.9 GFLOPS

39.55 GFLOPS

FP64 (double)

59.62 GFLOPS

Board Design

65W

TDP

182W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

GK106

GPU Name

GT200

GK106-200-A1

GPU Variant

G200-100-A2

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.54 billion

Transistors

1.4 billion

221 mm²

Die Size

576 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.3

5.1

Shader Model

4.0

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