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Friday, March 22, 2013
New AMD Radeon HD 7790 Graphics Card Promises Cooler 1080p Gaming
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AMD today announced its Radeon HD 7790 mid-range graphics card,
positioned to fill a gap in between the Radeon HD 7770 GHz
Edition, and the Radeon HD 7850.
The card is based on the new 28 nm "Bonaire" silicon and features
896 stream processors based on the Graphics CoreNext architecture,
dual-independent tessellation units, 56 TMUs, 16 ROPs, and a
128-bit wide GDDR5 memory interface, holding 1 GB of memory. It's
core runs at 1.00 GHz, and memory at 6.00 GHz, with a memory
bandwidth of 96 GB/s.
Specification Comparison |
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AMD Radeon HD 7790 |
AMD Radeon HD 7850 |
AMD Radeon HD 7770 |
AMD Radeon HD 6870 |
Stream Processors |
896 |
1024 |
640 |
1120 |
Texture Units |
56 |
64 |
40 |
56 |
ROPs |
16 |
32 |
16 |
32 |
Core Clock |
1000MHz |
860MHz |
1000MHz |
900MHz |
Memory Clock |
6GHz GDDR5 |
4.8GHz GDDR5 |
4.5GHz GDDR5 |
4.2GHz GDDR5 |
Memory Bus Width |
128-bit |
256-bit |
128-bit |
256-bit |
VRAM |
1GB |
2GB |
1GB |
1GB |
FP64 |
1/16 |
1/16 |
1/16 |
N/A |
Transistor Count |
2.08B |
2.8B |
1.5B |
1.7B |
Board Power |
~85W |
150W (TDP) |
~80W |
151W (TDP) |
Manufacturing Process |
TSMC 28nm |
TSMC 28nm |
TSMC 28nm |
TSMC 40nm |
Architecture |
GCN 1.1 |
GCN 1.0 |
GCN 1.0 |
VLIW5 |
Launch Price |
$149 |
$249 |
$159 |
$239 |
In addition, the HD 7790 features the company's updated dynamic
clock adjustment technology, designed to reduce the card's power
draw. Powertune is an automatic and intelligent mechanism that
optimizes the clockspeed of the GPU for higher clockspeeds and
higher framerates in your games. It accomplishes this by assessing
the workload of whatever application you're running, predicting
what kind of performance will be demanded, then adjusting the
parameters of the chip. The new version of AMD PowerTune technology
brings additional intelligence to the table, and can now optimize
voltages for efficient power consumption. That efficient power
consumption allows AMD to bring even higher clockspeeds to a
product like the AMD Radeon HD 7790 GPU. AMD designed to run the
AMD Radeon HD 7790 GPU at 1000MHz on a single 6-pin power
connector. Many of AMD's partners will take even greater advantage
of these new capabilities with a second power connector and even
higher clockspeeds.
AMD's reference card is powered by a 6-pin power connector and its
TDP is rated at 85W.
Display outputs include one or two DVI connectors, and one each of
HDMI and DisplayPort.
AMD is targeting a price-point of $149.99.
AMD claims that the Radeon HD 7790 GPU offers an average
performance advantage of up to 20% over Nvidia's GTX 650 Ti.
According to the first reviews that have appeared online, the
Radeon HD 7790 is offering 80% of the 7850?s performance and more
than double the performance of the 7770. Meanwhile against NVIDIA's
GeForce GTX 650 Ti, AND 's latest offering seems to have a 12%
performance advantage - at least for not overclocked GTX 650 Ti's.
AMD is also extending its Never Settle Reloaded program to the AMD
Radeon HD 7790. When you purchase this new graphics card at a
participating retailer, you will receive a free copy of BioShock
Infinite valued at $59.99 USD. |
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