NVIDIA GeForce GT 240 vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce GT 240

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 240 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 240 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 28.51GB/s)

NVIDIA GeForce GT 640 's Advantages

Released 2 years and 7 months late

More VRAM (2GB vs 1024GB)

288 additional rendering cores

Lower TDP (65W vs 69W)

Score

Benchmark

FP32 (float)

GeForce GT 240

0.257 TFLOPS

GeForce GT 640 +169%

0.693 TFLOPS

GeForce GT 240

VS

GeForce GT 640

Graphics Card

Nov 2009

Release Date

Jun 2012

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

850 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

54.40GB/s

Bandwidth

28.51GB/s

Render Config

-

12

SM Count

-

96

Shading Units

384

32

TMUs

32

8

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

7.216 GPixel/s

17.60 GTexel/s

Texture Rate

28.86 GTexel/s

-

257.3 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

69W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1x VGA

Outputs

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

None

Power Connectors

None

Graphics Processor

GT215

GPU Name

GK107

GT215-450-A2

GPU Variant

GK107-300-A2

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.727 billion

Transistors

1.27 billion

144 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

1.2

CUDA

3.0

4.1

Shader Model

5.1

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