HARDWARE

The Assemblage Of GeForce GTX 650 Ti Graphics Cards (Part 4)

6/20/2013 9:08:25 AM

Zotac GeForce GTX 650 Ti AMP! Edition 2GB (ZT-61103-10M)

Zotac offers 3 GeForce GTX 650 Ti models and we choose the fastest one among them: Zotac GeForce GTX 650 Ti AMP! Edition. There is info about the products and the Nvidia tech on the front and the back of the small cardboard containing box.

The product packing

The product packing

There’s nothing special about the accompanying accessories, which include the video interface connector, power cable, a CD with the drivers and some documents.

Accompanying accessories

Accompanying accessories  

This made-in China product has the price of 169.9$. Warranty period is 2 years.

Zotac GeForce GTX 650 Ti AMP! Edition seems to be the nicest graphics card among the products in this review. The sculpted casing with a layer of anodized metal and the bright orange fans on the top of the aluminum heatsink foils make the graphics card looks very compelling.

PCB design and the cooler

PCB design and the cooler

This decoration doesn’t affect the size of the card, 145x100x38 mm. There are memory chips at the back of the PCB. Instead of 1 mini HDMI port, there are 2 HDMI ports.

Connectors

Connectors

Zotac GeForce GTX 650 Ti AMP! Edition has DVI inputs and a 6-pin power connector.

Signal ports

Signal ports

Unlike other graphics cards in the review, Zotac is recommended using with PSU 450 rather than 400-watt PSU.

Zotac GeForce GTX 650 Ti AMP! Edition as the original PCB for reference but seems to have 4-phrase power system, 2 of which is responsible for GK106 GPU.

Inner power system

Inner power system

After removing a huge amount of thermal grease we see that this GPU was made on the 34th week of 2012. That’s the version A1.

Memory Chip

Memory Chip

GPU is preset at 1,033 MHz at 3D mode, 11.3% higher than the original version and equivalent to the GPU frequency of Gigabyte. EVGA is a little faster based on the GPU clock rate.

The PCB contains 8 memory chips, as the 3 previous graphics cards. The total memory capacity is 2 GB.

Zotac doesn’t intend to pre-overclock the memory of this graphics card, so GeForce GTX 650 Ti AMP! Edition preset the clock rate for the memory chip at 6,200 MHz (+14.8%) for the peak bandwidth at 99.2 GB/s.The cooler of Zotac is the same as Nvidia and EVGA, bit still has some aluminum heatsink chunks.

Cooler

Cooler

Thanks to the more advanced Everflow T129215SH fan, GPU is better cooled than on the graphics card of Nvidia and EVGA.

Auto fan mode and max fan mode

Auto fan mode and max fan mode

At auto-fan mode, when the fan works at only 23% compared to the max speed, GPU only reaches 580C. When the fan runs at 100% speed, the GPU temperature is no higher than 520C. Gigabyte still has no rival, but Zotac is still a cool-operating card.

Our attempt to overclock is only limited by increasing the clock rate of about 50 MHz. our GeForce GTX 650 Ti AMP! Edition is increased to higher frequency. Memory frequency can be increased by 960 MHz.

Overclocking process as trial

Overclocking process as trial

Overclocked Zotac works with the frequency of 1,083/7,160 MHz:

Overclocking result

Overclocking result

Compared to 4 GeForce GTX 650 Ti graphics cards which we have overclocked in this review, EVGA is the one has the highest GPU clock rate (1,127 MHz) and the original graphics card Nvidia has highest memory clock rate (7,200 MHz).

The highest GPU temperature of overclocked Zotac is 610C.

Temperature result when overclocking

Temperature result when overclocking

Zotac GeForce GTX 650 Ti AMP! Edition 2GB (ZT-61103-10M) technical specs

·         GPU: GeForce GTX 650 Ti

·         Edition: AMP!

·         Core Clock: 1,033 MHz

·         Core Processors: 768 Stream Processors

·         Memory Size: 2GB

·         Memory Type: GDDR5

·         Memory Interface: 128-bit

·         Memory Clock      : 6,200 MHz

·         DVI: 2

·         Dual-Link DVI Supported: Yes

·         HDMI: 2

·         Max Resolution: 2,560x1,600

·         Interface: PCI Express 3.0 (Compatible with 1.1)

·         Cooler Type: Fan (Dual Slot)

·         Recommended PSU Wattage: 450-Watt

·         DirectX: Microsoft DirectX 11.1 API (feature level 11_0)

·         HDCP Ready: Yes

·         RAMDAC: 400 MHz

·         Extra Features: NVIDIA® Adaptive Vertical Sync; NVIDIA® Surround technology; NVIDIA® Unified Architecture; NVIDIA® PhysX® technology ; NVIDIA® CUDA® technology

·         Blu-ray 3D: ready

·         Package Contents: 1 x ZOTAC GeForce® GTX 650 Ti AMP! Edition Graphics Card; 1 x DVI-to-VGA adapter; 1 x Dual MOLEX-to-PCIe 6-pin power adapters; 1 x User manual; 1 x Driver Disk

Zotac GeForce GTX 640 2GB (ZT-60201-10L)

The smallest graphics card in this review, Zotac GeForce GTX 640 is packed in a solid box. The main features of the product are shown on the top of the box.

The product packing

The product packing

This product offers the same accessories as Zotac GeForce GTX 650 Ti AMP! Edition except for the cable which is unnecessary here.

Accompanying accessories

Accompanying accessories

Made in China, this graphics card offers a 2-year warranty. Its retail price is 89$.

Like the features of some penetration products, Zotac GeForce GTX 640 looks extremely simple. Hals of the short PCB is only 145 mm, covered with the aluminum heatsink foil and an orange fan.

The product design

The product design

The single slot design is the thing that makes the graphics card looks perfect for the solid HTPCs, which is sometimes used to run some old games.

Zotac GeForce GTX 640 is equipped with 2 dual-link DVI and a HDMI mini 1.4a ports.

Outputs

Outputs

Its power-system requirement is so low that even the PCB looks very short, but it seems to be unoccupied though the memory chips are mounted on its front side.

Details of the internal PCB

Details of the internal PCB

The power system consists of 2 phrases while GPU is equipped with a protective plastic frame to secure it from being broken with the size of 118 mm2

Memory chip

Memory chip

GK107 is exactly a half of GK106 with a half shader capability (384) and half the texture-maple (32). The number of ROPs stays the same (16). GPU is preset at 902-MHz speed.

Zotac GeForce GTX 640 has a 2-GB DDR3 memory in 4 chips from Micron (2EK12 D9PRS)

The clock rate of the memory is 1,782 MHz while the other parameters are as the following description:

This product is cooled by the simple heatsink aluminum foil along with the 60mm Everflow T126010SU fan.

The cooler

The cooler

However, it helps GPU stay cool with the highest temperature reaching 540C.

The result of temperature testing

The result of temperature testing

To check the overclocking capability, we try increasing the frequency of GPU and Zotac GeForce GTX 640’s memory respectively to 160 and 200 MHz.

Overclocking process as a trial

Overclocking process as a trial

The final frequency is 1062/2182 MHz, which is good enough for a simple and cheap graphics card with DDR3 memory.

Overclocking result

Overclocking result

Overclocked GPU becomes 50C hotter, to 590C.

Temperature result when overclocking

Temperature result when overclocking

Zotac GeForce GTX 640 2GB (ZT-60201-10L) technical specs

·         GPU: GeForce GT 640

·         Core Clock: 900 MHz

·         Core Processors: 384 Stream Processors

·         Memory Size: 2GB

·         Memory Type: GDDR3

·         Memory Interface: 128-bit

·         Memory Clock      : 1,782 MHz

·         DVI: 2

·         Dual-Link DVI Supported: Yes

·         HDMI: 1 x mini-HDMI 1.4a w/audio

·         Max Resolution: 2,560x1,600

·         Interface: PCI Express 3.0 x16 (Compatible with 1.1)

·         Cooler Type: Fan

·         Recommended PSU Wattage: 350-Watt

·         DirectX: Microsoft DirectX 11.1 API (feature level 11_0)

·         HDCP Ready: Yes

·         Extra Features: NVIDIA® Adaptive Vertical Sync technology; NVIDIA® Surround technology; NVIDIA® Unified architecture; NVIDIA® PhysX® technology; NVIDIA® CUDA® technology

·         Package Contents: 1 x ZOTAC GeForce GT 640 Graphics Card; 1 x TrackMania 2 Canyon 3-Day Game Pass; 1 x DVI-to-VGA adapter; 1 x Driver Disk; 1 x User manual

 

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