The Lenovo ThinkCentre A51 Pentium 4 640 HT 3.2GHz has 40 GB more total storage capacity than the Fujitsu SCENIC C620 I915GV /P4 HT 540/ 512MB DDR 400/COMBO24X10X24X8/40GB SAT (80 GB vs 40 GB). The Lenovo ThinkCentre A51 Pentium 4 640 HT 3.2GHz has 24 x more CD read speed than the Fujitsu SCENIC C620 I915GV /P4 HT 540/ 512MB DDR 400/COMBO24X10X24X8/40GB SAT (48x vs 24x). The Lenovo ThinkCentre A51 Pentium 4 640 HT 3.2GHz has 24 x more CD write speed than the Fujitsu SCENIC C620 I915GV /P4 HT 540/ 512MB DDR 400/COMBO24X10X24X8/40GB SAT (48x vs 24x). Internal memory type: DDR2-SDRAM on the Fujitsu SCENIC C620 I915GV /P4 HT 540/ 512MB DDR 400/COMBO24X10X24X8/40GB SAT, DDR-SDRAM on the Lenovo ThinkCentre A51 Pentium 4 640 HT 3.2GHz.
Maximum internal memory supported by processorKnown for one
—Unknown — not stated by the source
32 GB
Memory types supported by processorKnown for one
—Unknown — not stated by the source
DDR3-SDRAM
Memory clock speeds supported by processorKnown for one
—Unknown — not stated by the source
1066 MHz
Memory bandwidth supported by processor (max)Known for one
—Unknown — not stated by the source
17 GB/s
ECC supported by processorKnown for one
—Unknown — not stated by the source
No
Memory1 differ
Internal memory
0.5 GB
0.5 GB
Maximum internal memoryKnown for one
—Unknown — not stated by the source
2 GB
Internal memory typeDiffers
DDR2-SDRAM
DDR-SDRAM
Memory channelsKnown for one
—Unknown — not stated by the source
Dual-channel
Cache internalKnown for one
1 MB
—Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers
40 GB
80 GB
Optical drive typeKnown for one
—Unknown — not stated by the source
DVD-ROM
HDD interfaceKnown for one
—Unknown — not stated by the source
SATA
HDD speed
7200 RPM
7200 RPM
Diskette drive memoryKnown for one
—Unknown — not stated by the source
1.44 MB
Storage drive typeKnown for one
Serial ATA
—Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one
—Unknown — not stated by the source
Yes
Discrete graphics card model
Intel® GMA 900
Intel® GMA 900
On-board graphics card familyKnown for one
—Unknown — not stated by the source
Intel® HD Graphics
On-board graphics card modelKnown for one
—Unknown — not stated by the source
Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one
—Unknown — not stated by the source
2
On-board graphics card base frequencyKnown for one
—Unknown — not stated by the source
850 MHz
On-board graphics card dynamic frequency (max)Known for one
—Unknown — not stated by the source
1100 MHz
Video adapter resolutionKnown for one
—Unknown — not stated by the source
2048x1536 16777216 colors
Video adapter, busKnown for one
—Unknown — not stated by the source
PCI Express
Maximum graphics card memoryKnown for one
0.128 GB
—Unknown — not stated by the source
Performanceidentical
Product type
PC
PC
Optical drive4 differ
CD read speedDiffers
24x
48x
CD write speedDiffers
24x
48x
CD rewrite speedDiffers
10x
32x
DVD read speedDiffers
8x
16x
Networkidentical
Networking features
Ethernet/Fast Ethernet/Gigabit Ethernet
Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one
—Unknown — not stated by the source
8
Ethernet LAN (RJ-45) portsKnown for one
—Unknown — not stated by the source
1
Headphone outputsKnown for one
—Unknown — not stated by the source
1
Microphone inKnown for one
—Unknown — not stated by the source
Yes
VGA (D-Sub) ports quantityKnown for one
—Unknown — not stated by the source
1
PS/2 ports quantityKnown for one
—Unknown — not stated by the source
2
Parallel ports quantityKnown for one
—Unknown — not stated by the source
1
I/O portsKnown for one
2x serial extern 1x parallel 1x mouse 1x keyboard 4x USB 2.0 rear, 1x USB 2.0 internal 3x USB 2.0 in front 1x VGA audio (2x rear, 2x in front) 1x LAN RJ45
—Unknown — not stated by the source
Power1 differ
Power supplyDiffers
240 W
225 W
Designidentical
Chassis type
SFF
SFF
Software1 differ
Operating system installedKnown for one
—Unknown — not stated by the source
Windows XP Professional
Bundled softwareDiffers
Drivers and Utility CD (DUCD) included Desktop Management DeskView on DUCD F-Secure virus scanner on DUCD WINDVD 5.0
Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnosti
Compatible operating systemsKnown for one
Microsoft Windows XP Professional
—Unknown — not stated by the source
Displayidentical
Display included
No
No
Processor special featuresidentical
CPU configuration (max)Known for one
—Unknown — not stated by the source
1
Embedded options availableKnown for one
—Unknown — not stated by the source
No
Enhanced Intel SpeedStep TechnologyKnown for one
—Unknown — not stated by the source
Yes
Execute Disable BitKnown for one
—Unknown — not stated by the source
Yes
Idle StatesKnown for one
—Unknown — not stated by the source
No
Intel 64Known for one
—Unknown — not stated by the source
Yes
Intel Clear Video TechnologyKnown for one
—Unknown — not stated by the source
No
Intel Demand Based SwitchingKnown for one
—Unknown — not stated by the source
No
Intel Enhanced Halt StateKnown for one
—Unknown — not stated by the source
No
Intel Rapid Storage TechnologyKnown for one
—Unknown — not stated by the source
No
Intel Trusted Execution TechnologyKnown for one
—Unknown — not stated by the source
No
Intel Virtualization Technology (VT-x)Known for one
—Unknown — not stated by the source
No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one
—Unknown — not stated by the source
No
Intel® AES New Instructions (Intel® AES-NI)Known for one
—Unknown — not stated by the source
No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one
—Unknown — not stated by the source
No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one
—Unknown — not stated by the source
No
Intel® InTru™ 3D TechnologyKnown for one
—Unknown — not stated by the source
No
Intel® Insider™Known for one
—Unknown — not stated by the source
No
Intel® Wireless Display (Intel® WiDi)Known for one
—Unknown — not stated by the source
No
Processor ARK IDKnown for one
—Unknown — not stated by the source
27480
Processor package sizeKnown for one
—Unknown — not stated by the source
37.5 x 37.5 mm
Supported instruction setsKnown for one
—Unknown — not stated by the source
SSE4.1/4.2
Thermal Monitoring TechnologiesKnown for one
—Unknown — not stated by the source
Yes
Intel® Turbo Boost TechnologyKnown for one
—Unknown — not stated by the source
No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one
—Unknown — not stated by the source
Yes
Intel® Quick Sync Video TechnologyKnown for one
—Unknown — not stated by the source
No
Intel® My WiFi Technology (Intel® MWT)Known for one
—Unknown — not stated by the source
No
Intel® Anti-Theft Technology (Intel® AT)Known for one
—Unknown — not stated by the source
No
Conflict-Free processorKnown for one
—Unknown — not stated by the source
No
Audioidentical
Audio systemKnown for one
—Unknown — not stated by the source
SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers
292 mm
309 mm
DepthDiffers
325 mm
359 mm
HeightDiffers
87 mm
85 mm
WeightDiffers
7 kg
8.5 kg
Other featuresidentical
Security featuresKnown for one
—Unknown — not stated by the source
-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring featu
A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.
