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Overclocking the 1.4GHz Athlon AYHJAR

Overclocking the 1.4GHz Athlon AYHJAR - PCSTATS
Price Check: $/£/€
Abstract: With my first 1.4 GHz chip extremely deep fried, I was hoping that my next experience with another 1.4 GHz chip would be more pleasant.
Filed under: CPU / Processors Published:  Author: 
External Mfg. Website: AMD Sep 04 2001   Colin Sun  
Home > Reviews > CPU / Processors > AMD

Overclocking the 1.4GHz Athlon AYHJAR


With my first 1.4 GHz chip extremely deep fried, I was hoping that my next experience with another 1.4 GHz chip would be more pleasant. MANY thanks goes out to Mike and the crew from C&P Downtown for RMA'ing my old CPU! Although it took 5 weeks to get it back, it's still nice to be able to get another one!

Yes, I've learned my lesson, NO MORE SHIM'S for me! I've also decided to retire my old Global Win FOP-38 (with the terrible clip) and replaced it with Thermaltake's Dragon Orb 3. It's more of a sidegrade then an upgrade since the Dragon Orb isn't much better in terms of cooling but it's got a much more "user friendly" clip and a copper base.

My old 1.4 GHz chip topped out at around 1.65 GHz, which wasn't really too bad, I was rather disappointed that it didn't hit 1.7 GHz. Well, actually, I wanted 1725. Is that too much to ask? A meesly 325 MHz overclock? After all, being spoiled with my old 1 GHz T-Bird that would do 1.5, I guess it inflated my expectations a little bit. Anyway, back to the present, I was brimming with new found hope, but unfortunately this chip let me down too. AYHJAR with 3rd line Y, and the highest I could get was 1620 MHz!!! What's with all the rumors going around that the AYHJAR's doing 1.7-1.8 GHz? Was I doing something wrong? Up'ed the Vcore to 1.85, using a Swiftech MC462-A with my idling temps around 34 and full load at around 41, what's going on?

While I was very disappointed at my overclocking attempts, the actual numbers I think are quite impressive. 

PCstats Test System Specs:
Computer: Athlon 1.4 GHz AYHJAR Y
Iwill KK266-R Ver 1.2 BIOS May 15/2001
Apacer 256 MB PC-100 Ram
MSI StarForce 822 (GeForce 3 200/460)
ATi TV Wonder
Realtek 10/100 NIC
56k Modem
SB Live! Platinum 5.1
30 GB IBM DeskStar 75 GXP
Software: Windows 98 SE
DirectX 8.0
VIA 4in1 Drivers, 4.32V
Detonator 12.90
Benchmarks: SiSoft Sandra 2001TE
3DMark2001 - Default Benchmark
Quake III Arena 1.17 - Fastest Setting

I was in Boston the whole weekend, so I only had time to do a few benchmarks... I must say though, Beantown is beautiful!

Sisoft Sandra: CPU Benchmark
Motherboard: Setting: ALU: FPU:
KK266
10.5 x 133
3910 MIPS
1905 MFLOPS
KK266
10 x 163
4583 MIPS
2252 MFLOPS

Sisoft Sandra: Multimedia Benchmark
Motherboard: Setting: Integer: Floating point:
KK266
10.5 x 133
7632 it/s
9536 it/s
KK266
10 x 163
8924 it/s
11173 it/s

Sisoft Sandra: Memory Bandwidth Benchmark
Motherboard: Setting: Int ALU: Float FPU:
KK266
10.5 x 133
ALU 555 MB/s
FPU 613 MB/s
KK266
10 x 163
ALU 684 MB/s
FPU 755 MB/s

There simply isn't any compareison here. With the CPU running at 1.63 GHz, it's easy to see that clock for clock, the Athlon is more powerful. Even at 1.4 GHz, it's a processor that's to be reckoned with!

3DMark2001

Motherboard: Setting: 3D Marks
KK266
10.5 x 133
5847
KK266
10 x 163
6379

It's not surprising that at 1.63 GHz and at a 163 MHz bus, that it's in the lead. However, it seems these days that 3DMark is better at testing videocards then anything else.

Quake III Arena - Demo001 Fastest

Motherboard: Setting: Score:
KK266
10.5 x 133
167.8
fps
KK266
10 x 163
199.7
fps

Quake III Arena - nv15demo Fastest

Motherboard: Setting: Score:
KK266
10.5 x 133
51.7
fps
KK266
10 x 163
52.9
fps

Quake III is really starting to show it's age. While the scores are very respectable, it's probably very difficult to differentiate between the two system speeds if possible at all. It's simply Quake III heaven! While the CPU didn't overclock as high as I wanted, 1.6 GHz is still quite a feat. Few have hit that speed and the numbers speak for themselves. It's amazing how well the Thunderbird core has scaled from 700 MHz to 1400 MHz! However, it looks like the T-Bird is at its end though, but the successor the "Palomino" aka Athlon 4 has a very bright future and hopefully they'll continue the T-Bird's tradition of superb performance, excellent price and remarkable overclockability!

AMD has come a long way since the underpowered K6 line to it's Slot A Athlon and now Socket A T-Bird CPU's. Even Intel's Pentium 4 has a hard time catching the Athlon, and the best part is, AMD CPU's are dirt cheap! Currently, AMD cpu's are SUCH good deals... Less then $200 (Can) for a 1.4 GHz chip. The closest PentiumIII in that price range is running at a slow 750 MHz, while there's NO Pentium4 anywhere close to that!


 

Contents of Article: AMD

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