NVIDIA GeForce GT 120 OEM vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GT 120 OEM

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce GT 120 OEM and 2GB VRAM GeForce GT 640 OEM 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 3 years and 1 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.51GB/s vs 16.13GB/s)

352 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 120 OEM

0.118 TFLOPS

GeForce GT 640 OEM +418%

0.612 TFLOPS

GeForce GT 120 OEM

VS

GeForce GT 640 OEM

Graphics Card

Mar 2009

Release Date

Apr 2012

GeForce 100

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

504 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

DDR3

128bit

Memory Bus

128bit

16.13GB/s

Bandwidth

28.51GB/s

Render Config

-

4

SM Count

-

32

Shading Units

384

16

TMUs

32

8

ROPs

16

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

5.904 GPixel/s

Pixel Rate

6.376 GPixel/s

11.81 GTexel/s

Texture Rate

25.50 GTexel/s

-

117.5 GFLOPS

FP32 (float)

612.1 GFLOPS

-

FP64 (double)

25.50 GFLOPS

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

None

Graphics Processor

G96C

GPU Name

GK107

-

GPU Variant

GK107-320-A2

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.314 billion

Transistors

1.27 billion

121 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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