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AMD Athlon X2 7850 Black Edition: Phenom-derived power for under £60.

by Tarinder Sandhu on 28 April 2009, 13:54

Tags: Athlon X2 7850 Black Edition, AMD (NYSE:AMD)

Quick Link: HEXUS.net/qarzn

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How does it fit in?

Processors Cores Architecture Process Form factor Clock speed L2 cache (total) L3 cache Memory-controller speed (up to) Voltage TDP etailer pricing
AMD Phenom II X4 955 Black Edition 4 K10 45nm AM3 3.2GHz 2MB 6MB 2.0GHz 0.875-1.5V 125W £199
AMD Phenom II X4 945 4 K10 45nm AM3 3.0GHz 2MB 6MB 2.0GHz 0.875-1.5V 125W £179
AMD Phenom II X4 910  4 K10 45nm AM3 2.6GHz 2MB 6MB 2.0GHz 0.875-1.425V 95W N/A
AMD Phenom II X4 810  4 K10 45nm AM3 2.6GHz 2MB 4MB 2.0GHz 0.875-1.425V 95W £143
AMD Phenom II X4 805 4 K10 45nm AM3 2.5GHz 2MB 4MB 2.0GHz 0.875-1.425V 95W N/A
AMD Phenom II X3 720 Black Edition 3 K10 45nm AM3 2.8GHz 1.5MB 6MB 2.0GHz 0.85-1.425V 95W £115
AMD Phenom II 710 3 K10 45nm AM3 2.6GHz 1.5MB 6MB 2.0GHz 0.875-1.425V 95W £105











AMD Phenom II 940 Black Edition 4 K10 45nm AM2+ 3.0GHz 2MB 6MB 1.8GHz+ 0.875-1.5V 125W £168
AMD Phenom II 920 4 K10 45nm AM2+ 2.8GHz 2MB 6MB 1.8GHz+ 0.875-1.5V 125W £151











AMD Phenom X4 9950 Black Edition 4 K10 65nm AM2+ 2.6GHz 2MB 2MB 2.0GHz 1.05-1.3V 125W £128
AMD Phenom X4 9850 BE 4 K10 65nm AM2+ 2.5GHz 2MB 2MB 2.0GHz 1.05-1.3V 125W £128











AMD Athlon X2 7850 Black Edition  2 K10 65nm AM2+ 2.8GHz 1MB 2MB 1.8GHz 1.2-1.25V 95W £58
AMD Athlon X2 7750 Black Edition 2 K10 65nm AM2+ 2.7GHz 1MB 2MB 1.8GHz 1.2-1.25V 95W £49
AMD Athlon X2 7550  2 K10 65nm AM2+ 2.5GHz 1MB 2MB 1.8GHz 1.2-1.25V 95W £47











AMD Athlon X2 6400+  BE 2 K8 65nm AM2 3.2GHz 2MB N/A 1GHz 1.35-1.4V 125W £75
AMD Athlon X2 6000+ 2 K8 65nm AM2 3.1GHz 1MB N/A 1GHz 1.1-1.4V 89W £64

Do you see it? Quite a ways down from the AMD Phenom II X4 955 BE but far more affordable at £60, the new chip slots in as the head of the dual-core Kuma pack. Simple common sense tells us that it should be quicker, by a smidge, than the X2 7750.

At the time of the X2 7750's review we compared it to an Intel Pentium Dual-Core E5200 (2.5GHz), priced at £75, and found it to be slightly faster than the Phenom-derived X2 7750 and a dual-core X2 6000+.

Intel's 'budget' CPU pricing is such that the E5200 has also dropped in price, to £58, whilst the E5400 (2.7GHz) is available for £66. The full-fat Core 2 Duos start at around £100.

Preview summary

AMD's introduction of the Athlon X2 7850 Black Edition adds under four per cent extra clock-speed over the X2 7750 BE. It's reasonable to assume that benchmark numbers will also show single-digit percentage increases, too, and you can see the X2 7750 vs. E5200 fight here. We'll run a full set of results, comparing the '7850 BE against the Intel Pentium Dual-Core E5200 and E5400s shortly. £60 buys you a lot of CPU, though.

Seeing that a bunch of 45nm Phenom II chips are already in the wild it would have made more sense to base the new dual-core CPUs on that. They're coming, of course, but AMD's somewhat flogging a soon-to-be-dead horse with 65nm Kuma.

Want to see what the AM2+ chip looks like? Head on over to the next page for a couple of shots.