NVIDIA GeForce GT 230 OEM vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce GT 230 OEM

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 230 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 GT 640 's Advantages

Released 3 years and 2 months late

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (28.51GB/s vs 24.00GB/s)

288 additional rendering cores

Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 230 OEM

0.24 TFLOPS

GeForce GT 640 +188%

0.693 TFLOPS

GeForce GT 230 OEM

VS

GeForce GT 640

Graphics Card

Apr 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

-

500 MHz

Memory Clock

891 MHz

Memory

1536MB

Memory Size

2GB

DDR2

Memory Type

DDR3

192bit

Memory Bus

128bit

24.00GB/s

Bandwidth

28.51GB/s

Render Config

-

12

SM Count

-

96

Shading Units

384

48

TMUs

32

12

ROPs

16

-

L1 Cache

16 KB (per SMX)

48 KB

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

7.216 GPixel/s

24.00 GTexel/s

Texture Rate

28.86 GTexel/s

-

240.0 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

75W

TDP

65W

250 W

Suggested PSU

250 W

No outputs

Outputs

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

None

Power Connectors

None

Graphics Processor

G92B

GPU Name

GK107

G92-159-B1

GPU Variant

GK107-300-A2

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.754 billion

Transistors

1.27 billion

260 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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