HIS HD 4650 iSilence 512 MB Review 1

HIS HD 4650 iSilence 512 MB Review

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Introduction

HIS Logo


AMD's RV730 GPU is already several months old. While the first card designs were mainly aimed at the lower end of the performance segment, many manufacturers are now offering cards designed to be used in a media PC. ATI's awesome UVD 2 video decode engine together with the HDMI output and integrated audio devices makes all recent ATI cards great candidates for a media PC. A major drawback on most cards is that there is an active fan which will spoil your movie experience with the fan noise it creates.
HIS has chosen to use the VNF100 cooler by Zalman on their HD 4650 iSilence which is completely passive: no fan - no noise.

Radeon
HD 4350
GeForce
9400 GT
Radeon
HD 4550
Radeon
HD 4650
HIS
HD 4650
GeForce
9500 GT
Radeon
HD 4670
GeForce
9600 GT
GeForce
9800 GT
Radeon
HD 4850
Shader units 8016803203203232064112800
ROPs4848888161616
GPURV710G96RV710RV730RV730G96RV730G94G92RV770
Transistors242M314M242M514M514M314M512M505M 754M 956M
Memory Size256 MB512M512 MB512 MB512 MB256 MB /
512 MB
512 MB512 MB 512 MB 512 MB
Memory Bus Width 64 bit128 bit64 bit128 bit128 bit128 bit128 bit256 bit 256 bit 256 bit
Core Clock600 MHz550 MHz600 MHz650 MHz600 MHz550 MHz750 MHz650 MHz 600 MHz 625 MHz
Memory Clock500 MHz400 MHz400 MHz400 MHz500 MHz900 MHz1000 MHz900 MHz 900 MHz 993 MHz
Price$35$45$50$55$80$55$65$75$100$130

Packaging & Contents

Package Front
Package Back

The HIS package will definitely catch some attention on a crowded store shelf. On the front you will find all the important product facts, while the back has some additional information.



You will receive:
  • Graphics card
  • Documentation + Driver CD + STALKER Clear Sky full game
  • DVI Adapter + HDMI Adapter

The Card

Graphics Card Front
Graphics Card Back
Graphics Card Height

Zalman's VNF 100 GPU cooler dominates the look of the card. It uses three heatpipes to move heat away from the GPU core to the back side of the PCB where it is dissipated in the big blue heatsink. Due to the cooler design the card will need two slots in your system. Please note that the "second" slot is directed toward the back side of the card not to the front, like on most other cards.

Monitor Outputs, Display Connectors

The card has two DVI ports, the most common output configuration today. I would have liked to see an HDMI port which could underline the media PC use of this card. Since an HDMI adapter is included, it makes no difference. Using the adapter on a DVI port will result in a normal HDMI + Audio output coming from the card. In case you need an analog port you can also use the included DVI adapter.
For HDMI Audio, NVIDIA requires you to feed an external audio source, for example from your motherboard's on-board audio, to the card via SPDIF cable (also included). AMD on the other hand has integrated a sound device inside their GPUs which is the easier solution for most users.


The card has no CrossFire connector, yet it does support CrossFire via the PCI-Express bus. Personally I don't see much potential in combining two of these cards, it is just much easier to get a higher performing card if you need that.

Graphics Card Teardown PCB Front
Graphics Card Teardown PCB Back


Here are the front and the back of the cards, high-res versions are also available (front, back). If you choose to use these images for voltmods etc, please include a link back to this site or let us post your article.

A Closer Look


In order to disassemble the card you need to remove this metal plate which is glued on top of the Zalman logo and the four screws.

Graphics Card Cooler Front
Graphics Card Cooler Back

Zalman's VNF100 is made up of two main components. A small base which soaks up the heat and moves it to the heatsink module on the back using three heatpipes. Even though the base is rather small and doesn't have any copper components it does an excellent job, the card is running comfortable temperatures at all times.

Graphics Card Power Plugs

The card has no dedicated power connectors, all operating power is sucked from the PCI-Express bus.

Graphics Card Memory Chips

The DDR2 (!) memory chips are made by Qimonda and carry the model number HYB18T512161CF-20. With a latency of 2.0 ns, they are specified to run at 500 MHz.

Graphics Chip GPU

This is AMD's RV730 GPU. It is made in a 55 nm process with 512 million transistors. On the card the GPU is protected by a small plastic shim (not pictured) to avoid crushing the GPU core.
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May 6th, 2024 12:42 EDT change timezone

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