Sapphire HD7770 GHZ FleX Edition Review

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We have reviewed all of Sapphire’s Flex cards to date and today we are looking at the latest, budget addition in their range, the HD7770 Flex GHZ Edition. Sapphire are shipping this card with a custom low noise cooling solution and we aim to find out if this is a high value for money, low cost solution for a gamer and workstation user on a strict budget.

Sapphire have been very active this year, releasing a slew of performance cards such as the HD7970 6GB Toxic Edition and HD7950 Vapor X Edition, in the high end. They also recently released the HD7750 Low Profile card, which I adopted to use in my space restricted media center system, downstairs. It would be fair to say that regardless of your budget, Sapphire have an AMD card to suit.

first page3 Sapphire HD7770 GHZ FleX Edition Review

The ability to support three DVI monitors in Eyefinity mode and deliver a true Single Large Surface work area without the need for active adapters will prove invaluable for many people. Not only for gamers, but the audience who need multiple, accelerated displays for work oriented tasks, such as 3D rendering, photographic manipulation and video encoding.

Product Sapphire HD7870 FleX Edition Sapphire HD7770 GHZ FleX Edition AMD HD7870 AMD HD7850
Core Clock speed 1050mhz 1000mhz 1000mhz 860mhz
Transistors 2.8B 1.5B 2.8B 2.8B
Stream Processors 1,280 640 1,280 1,024
Compute Performance 2.56 TFLOPS 1.28 TFLOPS 2.56 TFLOPS 1.76 TFLOPS
Texture Units 80 40 80 64
Texture Fillrate 80 GT/s 40 GT/s 80 GT/s 55.0 GT/s
ROPs 32 16 32 32
Pixel Fillrate 32.0 GP/s 16 GP/s 32.0 GP/s 27.52 GP/s
Z/Stencil 128 64 128 128
Memory Type 2GB GDDR5 1GB GDDR5 2GB GDDR5 2GB GDDR5
Memory Clock 1,250mhz 1,125mhz 1,200mhz 1,200mhz
Memory Data Rate 5.0 Gbps 4.5 Gbps 4.8 Gbps 4.8 Gbps
Memory Bandwidth 153.6 GB/s 72 GB/s 153.6 GB/s 153.6 GB/s

The Sapphire HD7770 FleX Edition is configured to AMD HD7770 GHZ reference clock speeds. The core speed is therefore set to 1,000mhz and the memory speed at 1,125mhz (4.5 Gbps effective).

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Rating: 5.0/5 (1 vote cast)
Sapphire HD7770 GHZ FleX Edition Review, 5.0 out of 5 based on 1 rating
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  • Davis

    Another good card from Sapphire. nice n quiet too.

    VA:R_U [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • Eran

    Good value for money, not really a gaming card, but good for a workstation IMO

    VA:R_U [1.9.22_1171]
    Rating: 0 (from 0 votes)
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