Product comparison · 2 pcs/workstations

Lenovo IdeaCentre K330B Intel® Core™ i5 i5-2310 vs Lenovo M81 SFF

109specifications compared
38differ
71identical
38known for one product only

Key differences

The Lenovo IdeaCentre K330B Intel® Core™ i5 i5-2310 has 2 more processor cores than the Lenovo M81 SFF (4 vs 2). The Lenovo M81 SFF has 0.2 GHz more processor frequency than the Lenovo IdeaCentre K330B Intel® Core™ i5 i5-2310 (3.1 GHz vs 2.9 GHz). The Lenovo IdeaCentre K330B Intel® Core™ i5 i5-2310 has 3 MB more processor cache than the Lenovo M81 SFF (6 MB vs 3 MB). Only the Lenovo IdeaCentre K330B Intel® Core™ i5 i5-2310 has card reader integrated. Only the Lenovo IdeaCentre K330B Intel® Core™ i5 i5-2310 has Wi-Fi.

Processor family
- IdeaCentre K330B Intel® Core™ i5 i5-2310:Intel® Core™ i5
- M81 SFF:Intel® Core™ i3
Processor generation
- IdeaCentre K330B Intel® Core™ i5 i5-2310:2nd gen Intel® Core™ i5
- M81 SFF:2nd gen Intel® Core™ i3
Processor model
- IdeaCentre K330B Intel® Core™ i5 i5-2310:i5-2310
- M81 SFF:i3-2100
Processor cores
- IdeaCentre K330B Intel® Core™ i5 i5-2310:4
- M81 SFF:2
Processor frequency
- IdeaCentre K330B Intel® Core™ i5 i5-2310:2.9 GHz
- M81 SFF:3.1 GHz
Processor cache
- IdeaCentre K330B Intel® Core™ i5 i5-2310:6 MB
- M81 SFF:3 MB
Thermal Design Power (TDP)
- IdeaCentre K330B Intel® Core™ i5 i5-2310:95 W
- M81 SFF:35, 65
Tcase
- IdeaCentre K330B Intel® Core™ i5 i5-2310:72.6 °C
- M81 SFF:69.1 °C

Side by side

Differences highlightedShow differences only

Comparison of K330B, M81 SFF
147 specifications	A Lenovo IdeaCentre K330B Intel® Core™ i5 i5-2310 Model K330B View product	B Lenovo M81 SFF View product
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i3
Processor modelDiffers	i5-2310	i3-2100
Processor coresDiffers	4	2
Processor threads	4	4
Processor boost frequencyKnown for one	3.2 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.9 GHz	3.1 GHz
Processor cacheDiffers	6 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rate	5 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2300 Desktop Series	Intel Core i3-2100 Desktop Series
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)Differs	95 W	35, 65
TcaseDiffers	72.6 °C	69.1 °C
Maximum number of PCI Express lanes	16	16
PCI Express slots version	2.0	2.0
Number of processors installed	1	1
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	29	31
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
PlatformKnown for one	PC	Unknown — not stated by the source
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
ECC supported by processor	No	No
SteppingKnown for one	Unknown — not stated by the source	Q0
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066,1333 MHz
Memory4 differ
Internal memoryDiffers	8 GB	4 GB
Maximum internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	2 x 4 GB	2 x 2 GB
Memory slotsDiffers	2x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage5 differ
Total storage capacityDiffers	1.5 TB	500 GB
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Number of HDDs installed	1	1
HDD capacityDiffers	1.5 TB	500 GB
HDD interfaceDiffers	SATA II	SATA
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Card reader integratedDiffers	Yes	No
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon HD 6450	Not available
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 2000	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card ID	0x102	0x102
Graphics card familyDiffers	AMD, Intel	Intel
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® H61	Intel® Q65 Express
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiDiffers	Yes	No
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
BluetoothKnown for one	No	Unknown — not stated by the source
Copper ethernet cabling technologyKnown for one	1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T	Unknown — not stated by the source
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	6	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Serial ports quantityDiffers	0	1
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
HDMIKnown for one	Yes	Unknown — not stated by the source
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Number of 3.5" baysKnown for one	2	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	3	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	280 W	240 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Number of 5.25" baysKnown for one	2	Unknown — not stated by the source
Product colour	Black	Black
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Compatible operating systemsKnown for one	Windows 7	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features4 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53445	53422
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	180 mm	337 mm
DepthDiffers	440 mm	369 mm
HeightDiffers	390 mm	99 mm
WeightDiffers	11.2 kg	7.5 kg
Dimensions (WxDxH)Known for one	180 x 440 x 390 mm	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Remote control includedKnown for one	No	Unknown — not stated by the source
Certificatesidentical
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Multimediaidentical
Built-in cameraKnown for one	No	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional

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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