Sapphire HD7870 FleX Edition Review

Allan 'Zardon' Campbell June 25, 2012 Featured Announcement, Graphics

Rating: 9.0.

We have reviewed all of the Sapphire FleX graphics cards to date, and today we are looking at the new HD7870 FleX Edition, slotting in just below the HD7970 Dual-X FleX Edition, which we reviewed at the beginning of June. The HD7870 FleX ships with a modest factory overclock, dual fans and custom ‘FleX' display technology only available with Sapphire discrete solutions.

This year Sapphire have produced a wide range of 7000 series cards sporting dual fan coolers, with a primary focus on lowering noise levels. Thanks to the use of high quality fans and clever non aggressive fan profiles these have been an ideal choice for many enthusiast users.

Product	Sapphire HD7870 FleX Edition	AMD HD7950	AMD HD7870	AMD HD7850
Core Clock speed	1050mhz	800mhz	1000mhz	860mhz
Transistors	2.8B	4.31B	2.8B	2.8B
Stream Processors	1,280	1,792	1,280	1,024
Compute Performance	2.56 TFLOPS	2.87 TFLOPS	2.56 TFLOPS	1.76 TFLOPS
Texture Units	80	112	80	64
Texture Fillrate	80 GT/s	89.6 GT/s	80 GT/s	55.0 GT/s
ROPs	32	32	32	32
Pixel Fillrate	32.0 GP/s	25.6 GP/s	32.0 GP/s	27.52 GP/s
Z/Stencil	128	128	128	128
Memory Type	2GB GDDR5	3GB GDDR5	2GB GDDR5	2GB GDDR5
Memory Clock	1,250mhz	1,250mhz	1,200mhz	1,200mhz
Memory Data Rate	5.0 Gbps	5.0 Gbps	4.8 Gbps	4.8 Gbps
Memory Bandwidth	153.6 GB/s	240 GB/s	153.6 GB/s	153.6 GB/s

The Sapphire HD7980 Flex Edition receives both a core clock and memory increase. The core speed has been enhanced by 50mhz, from 1,000mhz to 1,050 mhz. The memory speed has been boosted by 50mhz from 1,200mhz (4.8 Gbps effective) to 1,250mhz (5Gbps effective).

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5 comments

Brian
June 25, 2012 at 5:26 pm

wicked card – battlefield 3 in three screens must be incredible.
Black Gekikara
June 25, 2012 at 5:28 pm

been waiting on this for a while now. 7950 is just too much for my system. excellent review, thanks.
Street Fighter
June 25, 2012 at 6:04 pm

whats happened to XFX lately? they went so quiet. Sapphire are running amok.

Oh yeah, nice review man, got a lot of info from this. might go for their 7950 it looks sweet.
WarrenUK
June 25, 2012 at 6:05 pm

Awesome.

I might go for this next month as I just bought two extra cheap dell screens on sale.