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Abit's KR7a RAID (Via KT266A)
Author : Martyn Date :17th Jan'02

3DVelocity wish to thank Abit and particularly Lester for providing this motherboard for review.

...Product Abit KR7a RAID Motherboard
...Manufacturer Abit
...Supplier Abit
...Price £150 Approx.

 

 

 

Part Seven: Testing [The Test Setup]

Why don't we benchmark this board against it's biggest rivals, the excellent Epox 8KHA+ and the Iwill XP333R.

We used: -

The boards in question [Abit KR7a RAID, Epox 8KHA+ and the Iwill XP333R]
AMD Athlon XP 1900+ [1.60GHz]
256MB Micron Cas 2 PC2100
ATI Radeon 8500 Retail
45GB IBM 75GXP ATA 100
300w AMD approved PSU
Windows 98
(All boards at their fastest stable ram timings, defaults for other options.)

Part Eight: 3D Performance

Firstly we have the excellent 3DMark 2001, not only a great DX8 benchmark but a nice indication of relative bandwidth and memory timings.

(3DMark 2001 - 32bit)

3DMark 2K1
640x480
800x600
1024 x 768
1280 x 1024
1600 x 1200
Iwill XP333
10173
9459
8489
7001
5428
EPOX 8KHA+
10599
9818
8688
8055
5506
Abit KR7a RAID
10701
9929
8789
8121
5582
(Results Expressed In '3DMarks')


The KR7a makes a more than impressive start in this DX8 benchmark. The Epox board is close but the Abit board makes more than a sizable difference in this benchmark.

(Quake 3 Arena - Time Demo 001 - 32bit - Highest Detail Settings)

Quake 3 Arena
640x480
800x600
1024 x 768
1280 x 1024
1600 x 1200
Iwill XP333
177.4
175.6
168.8
137.5
99.3
EPOX 8KHA+
200.7
198.6
185.4
145.0
102.7
Abit KR7a RAID
202.9
200.1
186.1
145.8
101.9
(Results expressed in frames per second)

The trend continues in the Open GL based Quake 3. The Abit is smashing the figures from the XP333 and continues to edge out the Epox board based upon the same chipset. The Epox makes up some ground by just nudging ahead at the maximum resolution but it's close all the way here.

(Max Payne - 'Shooting Alex' Time Demo - Highest Detail Settings)

Max Payne
800 x 600 32bit
1024 x 768 32bit
1600 x 1200 32bit
Iwill XP333
99.9
78.1
41.0
EPOX 8KHA+
103.2
84.6
44.8
Abit KR7a RAID
106.7
85.6
44.9
(Results expressed in frames per second)

In this excellent and extremely fill rate intensive benchmark the differences in 'real world' terms start to narrow. It's to it's credit though that despite being based on the same chipset, the KR7a is consistently faster than it's Epox challenger. The KR7a leads the way as we move on to the more theoretical benchmarks, lets see how Abit's star socket A board fares...

Page Six: Mainboard Performance
>>>


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