NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GT 230 OEM

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce GT 230 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 1536MB VRAM GeForce GT 230 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 3 years late

Larger VRAM bandwidth (38.40GB/s vs 24.00GB/s)

48 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand +72%

0.415 TFLOPS

GeForce GT 230 OEM

0.24 TFLOPS

GeForce GT 640 OEM Rebrand

VS

GeForce GT 230 OEM

Graphics Card

Apr 2012

Release Date

Apr 2009

GeForce 600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

1536MB

Memory Size

1536MB

DDR3

Memory Type

DDR2

192bit

Memory Bus

192bit

38.40GB/s

Bandwidth

24.00GB/s

Render Config

-

3

SM Count

12

144

Shading Units

96

24

TMUs

48

24

ROPs

12

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

48 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

6.000 GPixel/s

17.28 GTexel/s

Texture Rate

24.00 GTexel/s

-

414.7 GFLOPS

FP32 (float)

240.0 GFLOPS

34.56 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

75W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

G92B

GF116-150-A1

GPU Variant

G92-159-B1

Fermi 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.754 billion

238 mm²

Die Size

260 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.1

5.1

Shader Model

4.0

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