NVIDIA GeForce 505 OEM vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce 505 OEM

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 512MB VRAM GeForce 505 OEM 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 505 OEM 's Advantages

Released 7 months late

Lower TDP (25W vs 65W)

NVIDIA GeForce GT 640 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.51GB/s vs 9.600GB/s)

368 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 505 OEM

0.045 TFLOPS

GeForce GT 640 +1440%

0.693 TFLOPS

GeForce 505 OEM

VS

GeForce GT 640

Graphics Card

Jan 2013

Release Date

Jun 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

600 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

9.600GB/s

Bandwidth

28.51GB/s

Render Config

-

2

SM Count

-

16

Shading Units

384

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.356 GPixel/s

Pixel Rate

7.216 GPixel/s

4.712 GTexel/s

Texture Rate

28.86 GTexel/s

-

44.86 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

25W

TDP

65W

200 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

GT218

GPU Name

GK107

GT218-300-B1

GPU Variant

GK107-300-A2

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.26 billion

Transistors

1.27 billion

57 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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