Product comparison · 2 pcs/workstations

Lenovo ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550 vs Lenovo IdeaCentre K305 Intel® Pentium® 4 630

96specifications compared
51differ
45identical
50known for one product only

Key differences

The Lenovo ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550 has 3 more processor cores than the Lenovo IdeaCentre K305 Intel® Pentium® 4 630 (4 vs 1). The Lenovo ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550 has 6 more processor threads than the Lenovo IdeaCentre K305 Intel® Pentium® 4 630 (8 vs 2). The Lenovo ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550 has 0.06 GHz more processor frequency than the Lenovo IdeaCentre K305 Intel® Pentium® 4 630 (3.06 GHz vs 3 GHz). Only the Lenovo ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550 has ECC supported by processor. Only the Lenovo ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550 has card reader integrated.

Processor family
- ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550:Intel® Xeon® 3000 Sequence
- IdeaCentre K305 Intel® Pentium® 4 630:Intel® Pentium® 4
Processor model
- ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550:W3550
- IdeaCentre K305 Intel® Pentium® 4 630:630
Processor cores
- ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550:4
- IdeaCentre K305 Intel® Pentium® 4 630:1
Processor threads
- ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550:8
- IdeaCentre K305 Intel® Pentium® 4 630:2
Processor frequency
- ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550:3.06 GHz
- IdeaCentre K305 Intel® Pentium® 4 630:3 GHz
Processor cache
- ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550:8 MB
- IdeaCentre K305 Intel® Pentium® 4 630:2 MB
Processor cache type
- ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550:Smart Cache
- IdeaCentre K305 Intel® Pentium® 4 630:L2
Bus type
- ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550:QPI
- IdeaCentre K305 Intel® Pentium® 4 630:FSB

Side by side

Differences highlightedShow differences only

Comparison of 4105-R9U, K305
146 specifications	A Lenovo ThinkStation 4105-R9U Intel® Xeon® 3000 Sequence W3550 Model 4105-R9U View product	B Lenovo IdeaCentre K305 Intel® Pentium® 4 630 Model K305 View product
Processor18 differ
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Pentium® 4
Processor modelDiffers	W3550	630
Processor coresDiffers	4	1
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	3.33 GHz	Unknown — not stated by the source
Processor frequencyDiffers	3.06 GHz	3 GHz
Processor cacheDiffers	8 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeDiffers	QPI	FSB
System bus rateKnown for one	4.8 GT/s	Unknown — not stated by the source
Processor lithographyDiffers	45 nm	90 nm
Processor seriesDiffers	Intel Xeon 3500 Series	Intel Pentium 4 600 Series supporting Hyper-Threading Technology
Processor codenameDiffers	Bloomfield	Prescott
Thermal Design Power (TDP)Differs	130 W	84 W
TcaseDiffers	67.9 °C	66.6 °C
Number of QPI linksKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	Socket B (LGA 1366)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	731 M	169 M
Processing Die sizeDiffers	263 mm²	135 mm²
CPU multiplier (bus/core ratio)Differs	23	15
Processor core voltage (AC)Known for one	1.225 V	Unknown — not stated by the source
SteppingKnown for one	D0	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	24 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	800,1066 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
ECC supported by processorDiffers	Yes	No
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
PlatformKnown for one	Unknown — not stated by the source	PC
Memory5 differ
Internal memoryDiffers	4 GB	6 GB
Maximum internal memoryDiffers	48 GB	8 GB
Memory layout (slots x size)Differs	2 x 2 GB	3 x 2 GB
Memory slotsDiffers	6x DIMM	4x DIMM
Memory clock speedDiffers	1333 MHz	1066 MHz
ECCKnown for one	Yes	Unknown — not stated by the source
Memory channelsKnown for one	Triple-channel	Unknown — not stated by the source
Storage3 differ
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interfaceDiffers	SATA II	SATA
Card reader integratedDiffers	Yes	No
RAID supportKnown for one	Yes	Unknown — not stated by the source
RAID levelsDiffers	0, 1	0
Total storage capacityKnown for one	Unknown — not stated by the source	640 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphicsidentical
Maximum graphics card memoryKnown for one	1.024 GB	Unknown — not stated by the source
Graphics cardKnown for one	Quadro 2000	Unknown — not stated by the source
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA® GeForce® GT 320
Performance2 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetDiffers	Intel® X58 Express	AMD 760G
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Optical driveidentical
BD interface typeKnown for one	SATA	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Gigabit Ethernet (10/100/1000)	Fast Ethernet
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	10	8
DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
Headphone outputsDiffers	2	1
VGA (D-Sub) ports quantityDiffers	0	1
PS/2 ports quantityDiffers	0	2
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Line-outKnown for one	Unknown — not stated by the source	Yes
DVI portKnown for one	Unknown — not stated by the source	No
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Expansion slots3 differ
Number of 3.5" baysDiffers	4	2
PCI Express x1 slotsDiffers	1	2
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsDiffers	2	1
Power1 differ
Power supplyDiffers	625 W	280 W
Design1 differ
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Product colourDiffers	Black, Red, Silver	Black
Software2 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureDiffers	64-bit	32-bit
Trial softwareKnown for one	Unknown — not stated by the source	McAfee VirusScan Plus, Microsoft Ofﬁce 2007
Bundled softwareKnown for one	Unknown — not stated by the source	Lenovo OneKey Recovery Driver & Application Lenovo Power Dial Lenovo Healthcare Windows Live Essential Roxio BackOnTrack CyberLink Power2Go
Processor special features8 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Idle StatesDiffers	Yes	No
Intel Demand Based SwitchingDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	39720	27478
Processor package sizeDiffers	42.5 x 45.0 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	1.0	No
Weight & dimensions3 differ
WidthDiffers	175 mm	180 mm
DepthDiffers	483 mm	440 mm
HeightDiffers	478 mm	390 mm
WeightKnown for one	Unknown — not stated by the source	11.2 kg
Packaging contentidentical
Keyboard includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
CertificationKnown for one	RoHS, EPEAT, Energy Star	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u
Keyboardidentical
Keyboard number of keysKnown for one	Unknown — not stated by the source	104

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.

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