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Consolessuck187

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#1 Consolessuck187
Member since 2013 • 199 Posts
if they have to losen timings on desktop memory it's gotta hold true for video memory aswell.
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Consolessuck187

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#2 Consolessuck187
Member since 2013 • 199 Posts

[QUOTE="Consolessuck187"][QUOTE="ronvalencia"]

From http://www.hardware.fr/focus/76/amd-radeon-hd-7750-ddr3-test-cape-verde-etouffe.html

GDDR5 1125 MHz (4500Mhz effective) vs DDR3 800 MHz (1600Mhz effective)

ronvalencia

lol the only thing giving gddr5 real performance edge is higher clock. Clock them both to same spec and see difference aint shit

No GPU vendor made 7970 or 680 with DDR3. GDDR5's other real performance edge is multiple read and write request from many core processors.

That's because gddr5 is newer. duh
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Consolessuck187

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#3 Consolessuck187
Member since 2013 • 199 Posts
[QUOTE="Consolessuck187"]lies they have to losen the timings to get higher clocks ronvalencia
Tell that to Hynix.

They arent only maker.
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Consolessuck187

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#4 Consolessuck187
Member since 2013 • 199 Posts
lies they have to losen the timings to get higher clocks
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#5 Consolessuck187
Member since 2013 • 199 Posts

[QUOTE="Consolessuck187"]Then the difference will be 1% improvement lol ronvalencia

From http://www.hardware.fr/focus/76/amd-radeon-hd-7750-ddr3-test-cape-verde-etouffe.html

GDDR5 1125 MHz (4500Mhz effective) vs DDR3 800 MHz (1600Mhz effective)

lol the only thing giving gddr5 real performance edge is higher clock. Clock them both to same spec and see difference aint shit
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Consolessuck187

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#6 Consolessuck187
Member since 2013 • 199 Posts
[QUOTE="Consolessuck187"]craptastic comparisonronvalencia
Intel Haswell's L4 cache for the GPU indicates otherwise.

What's this gotta do with anything? lol the gddr3 has better timings....gddr5 at same clock speed has more bandwidth though.
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Consolessuck187

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#8 Consolessuck187
Member since 2013 • 199 Posts
[QUOTE="Consolessuck187"]We need to see gddr3 and gddr5 both running same clock speed and same memory size to see the real difference.ronvalencia
GDDR5 was designed to clock higher.

Yes but that gddr5 is running low clock and that gddr3 could achieve same clock. if they were be little to no difference.
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#9 Consolessuck187
Member since 2013 • 199 Posts
the gddr5 model is running higher clock speed on the memory only reason it's slightly faster. if the gddr3 was at same clock speed which it could be be hardly any difference.