HIS Radeon R9 280, 285, 280X, 290X IceQ X2

Published: 18th Oct 2014, 09:57 GMT

Palit GeForce GTX 770 JetStream Specifications

OLYMPUS DIGITAL CAMERAGeForce GTX 770 was released more than a year ago as a gap filler between GeForce GTX 670 and GTX 780. While GTX 770 is considered a successor to GTX 670 it actually inherited all that previous flagship (GTX 680) could offer.

NVIDIA GeForce GTX 770 is essentially a higher-clocked GTX 680. It shares the same GPU specifications while offering much faster memory bandwidth. GTX 770 has GK104 GPU onboard with 1536 CUDA cores.

The core clock of Palit GTX 770 JetStream is set at 1150 MHz, which is 100 MHz more than reference model and almost 150 MHz over GTX 680.

The biggest change was introduced to memory configuration, as GTX 770 arrived with 1750 MHz modules. This increased the bandwidth to 224 GB/s from 192 GB/s (GTX 680).

Unlike GTX 780, the GTX 770 only offers 2GB GDDR5 memory. Although, you can buy 4GB models as well.

NVIDIA GeForce 700 Series
EVGA GeForce GTX 760 SC ACXPalit GeForce GTX 770 JetStreamNVIDIA GeForce GTX 780Gigabyte GeForce GTX 780 Ti OC
Picture02G-P4-2765-KR_XL_7 Palit GTX 770 JetStream (3)NVIDIA GeForce GTX 780 Picture (2)780ti
GPU CodenameGK104-225GK104-425GK110-300GK110-425
Unified Cores1152153623042880
TMUs96128192240
ROPs32324848
Base Clock1072 MHz1150 MHz863 MHz1020 MHz
Boost Clock1137 MHz1202 MHz902 MHz1085 MHz
Memory Clock1502 MHz1753 MHz1502 MHz1750 MHz
Memory2GB GDDR52GB GDDR53GB GDDR53GB GDDR5
Memory Bus256-bit256-bit384-bit384-bit
Bandwidth192 GB/s224 GB/s288 GB/s336 GB/s
Power Connectors8pin + 6pin8pin + 6pin8pin + 6pin8pin + 8pin
TDP170W230W250W250W

Palit GeForce GTX 770 JetStream closer look

The triple-fan JetStream cooler is made of plastic. While you probably expect higher quality materials for such a high-end graphics card, plastic actually makes this card very light. There are two metal decals with Palit and JetStream logos, but unfortunately I cannot say I’m a fan of how they look.

Physical specifications:

  • Width: 132 mm
  • Length: 294 mm
  • Height: 2-slot
  • Weight: 850 g
  • Cooling: JetStream (triple-fan)
  • Display outputs: DVI-D, DVI-I, HDMI, DisplayPort

The fan in the center is 92mm in diameter, while the two at each end are 80mm. The middle fan is not exactly placed right over the GPU, actually it’s where two large heat sinks are connected to each other with cooper heat pipes.

Palit GTX 770 JetStream is equipped with a fully custom PCB. It has 8+2 PWM phases, and more than enough for moderate overclocking. The PCB was originally designed with dual 8-pin power connectors, but the final version only has 6+8pin configuration.

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Palit GeForce GTX 770 JetStream packaging

The bundle includes the driver CD, manual, dual 6-pin to 8pin converter, DVI to VGA and HDMI to DVI adapters.

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Review Contents
Page 1Introduction
Page 2Overview HIS Radeon R9 285 IceQ X² OC
Page 3Overview HIS Radeon R9 280 IceQ X² OC
Page 4Overview HIS Radeon R9 280X iPower IceQ X² Turbo
Page 5Overview HIS Radeon R9 290X iPower IceQ X² Turbo
Page 6Overview EVGA GeForce GTX 760 Superclocked ACX
Page 7Overview Palit GeForce GTX 770 JetStream
Page 8Overview Gigabyte GeForce GTX 780 Ti OC
Page 9Testing platform and methodology
Page 10Games Batman: Arkham Origins ● BioShock Infinite ● Total War: Rome 2 ● Alien:Isolation
Page 11Games Company of Heroes 2 ● GRID Autosport ● Hitman Absolution ● Watch Dogs
Page 12Games Metro: Last Light ● Middle-earth: Shadow of Mordor ● Tomb Raider
Page 13Games Battlefield 4 ● THIEF ● Sniper Elite III
Page 14Test 3DMark Fire Strike ● Catzilla ● CompuBench
Page 15Test ComputeMark ● TessMark ● Luxxmark
Page 16Test Power consumption ● Temperature
Page 17Test Overclocking
Page 18Conclusion




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