NVIDIA GeForce GT 640 OEM vs NVIDIA GeForce GT 220

VS

NVIDIA GeForce GT 640 OEM NVIDIA GeForce GT 220

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 OEM and 1024MB VRAM GeForce GT 220 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.51GB/s vs 22.40GB/s)

336 additional rendering cores

Lower TDP (50W vs 58W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM +325%

0.612 TFLOPS

GeForce GT 220

0.144 TFLOPS

GeForce GT 640 OEM

VS

GeForce GT 220

Graphics Card

Apr 2012

Release Date

Jan 2010

GeForce 600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

891 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

6

-

Compute Units

-

384

Shading Units

48

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

6.376 GPixel/s

Pixel Rate

4.800 GPixel/s

25.50 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

612.1 GFLOPS

FP32 (float)

144.0 GFLOPS

25.50 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

G94

GK107-320-A2

GPU Variant

-

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.27 billion

Transistors

0.505 billion

118 mm²

Die Size

240 mm²

Board Design

50W

TDP

58W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1x VGA

None

Power Connectors

-

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

1.1

5.1

Shader Model

4.0

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