NVIDIA GeForce GTS 240 OEM vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce GTS 240 OEM

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 240 OEM and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Released 2 years and 9 months late

Larger VRAM bandwidth (91.87GB/s vs 70.40GB/s)

176 additional rendering cores

Lower TDP (102W vs 120W)

Score

Benchmark

FP32 (float)

GeForce GTS 240 OEM

0.363 TFLOPS

GeForce GT 645 OEM +146%

0.894 TFLOPS

GeForce GTS 240 OEM

VS

GeForce GT 645 OEM

Graphics Card

Jul 2009

Release Date

Apr 2012

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1100 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

192bit

70.40GB/s

Bandwidth

91.87GB/s

Render Config

-

14

SM Count

6

112

Shading Units

288

56

TMUs

48

16

ROPs

24

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

384 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

9.312 GPixel/s

37.80 GTexel/s

Texture Rate

37.25 GTexel/s

-

362.9 GFLOPS

FP32 (float)

894.0 GFLOPS

-

FP64 (double)

74.50 GFLOPS

Board Design

120W

TDP

102W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

-

Graphics Processor

G92B

GPU Name

GF114

G92-240-B1

GPU Variant

-

Tesla

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.754 billion

Transistors

1.95 billion

260 mm²

Die Size

332 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

2.1

4.0

Shader Model

5.1

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