Product comparison · 2 pcs/workstations

Lenovo ThinkCentre STCB2FR PC Intel® Pentium® G6950 vs Lenovo ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650

104specifications compared
29differ
75identical
22known for one product only

Key differences

The Lenovo ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650 has 2 more processor threads than the Lenovo ThinkCentre STCB2FR PC Intel® Pentium® G6950 (4 vs 2). The Lenovo ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650 has 0.4 GHz more processor frequency than the Lenovo ThinkCentre STCB2FR PC Intel® Pentium® G6950 (3.2 GHz vs 2.8 GHz). The Lenovo ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650 has 1 MB more processor cache than the Lenovo ThinkCentre STCB2FR PC Intel® Pentium® G6950 (4 MB vs 3 MB). Only the Lenovo ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650 has floppy drive installed. Only the Lenovo ThinkCentre STCB2FR PC Intel® Pentium® G6950 has embedded options available.

Processor family
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:Intel® Pentium®
- ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650:Intel® Core™ i5
Processor model
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:G6950
- ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650:i5-650
Processor threads
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:2
- ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650:4
Processor frequency
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:2.8 GHz
- ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650:3.2 GHz
Processor cache
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:3 MB
- ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650:4 MB
CPU multiplier (bus/core ratio)
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:21
- ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650:24
Memory types supported by processor
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:DDR3 1066
- ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650:DDR3 1066/1333
Memory bandwidth supported by processor (max)
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:17 GB/s
- ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650:21 GB/s

Side by side

Differences highlightedShow differences only

Comparison of STCB2FR, STZA6UK
126 specifications	A Lenovo ThinkCentre STCB2FR PC Intel® Pentium® G6950 Model STCB2FR View product	B Lenovo ThinkCentre STZA6UK PC Intel® Core™ i5 i5-650 Model STZA6UK View product
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Processor modelDiffers	G6950	i5-650
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.46 GHz
Processor frequencyDiffers	2.8 GHz	3.2 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rate	2.5 GT/s	2.5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium G6000 Series for Desktop	Intel Core i5-600 Desktop Series
Processor codename	Clarkdale	Clarkdale
Thermal Design Power (TDP)	73 W	73 W
Tcase	72.6 °C	72.6 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8	1x16, 2x8
PCI Express slots version	2.0	2.0
Processor socket	LGA 1156 (Socket H)	LGA 1156 (Socket H)
Number of Processing Die Transistors	382 M	382 M
Processing Die size	81 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	21	24
SteppingKnown for one	Unknown — not stated by the source	C2
Maximum internal memory supported by processor	16 GB	16 GB
Memory types supported by processorDiffers	DDR3 1066	DDR3 1066/1333
Memory bandwidth supported by processor (max)Differs	17 GB/s	21 GB/s
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	2 x 2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Memory channels	Dual-channel	Dual-channel
Memory typeKnown for one	Unknown — not stated by the source	DDR3
Storage2 differ
Total storage capacityDiffers	250 GB	500 GB
Optical drive type	DVD-RW	DVD-RW
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA, SATA II
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD
Floppy drive installedDiffers	No	Yes
Storage drive typeKnown for one	Unknown — not stated by the source	500GB Serial ATA II/ 7200
Graphics2 differ
On-board graphics card	Yes	Yes
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelDiffers	Integrated	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequencyDiffers	533 MHz	733 MHz
Graphics card family	Intel	Intel
Performanceidentical
Product type	PC	PC
Networkidentical
Modem typeKnown for one	Unknown — not stated by the source	No
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	100 Mbit/s
Wi-Fi	No	No
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	2
Serial ports quantity	0	0
Parallel ports quantity	0	0
Expansion slotsidentical
PCI slotsKnown for one	Unknown — not stated by the source	1
Expansion slotsKnown for one	Unknown — not stated by the source	PCI-Express
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	280 W	130 W
Designidentical
Chassis type	SFF	SFF
Product colour	Black	Black
Form factorKnown for one	Unknown — not stated by the source	Ultra Small Form Factor
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Displayidentical
Display included	No	No
Processor special features8 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	45 nm	45 nm
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	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)	36 bit	36 bit
Processor ARK IDDiffers	43230	43546
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	317 mm	272 mm
DepthDiffers	355 mm	238 mm
HeightDiffers	99 mm	79 mm
WeightDiffers	7.5 kg	4.18 kg
Packaging contentidentical
Remote control included	No	No
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	USB Optical Wheel Mouse
Featuresidentical
Manageability featuresKnown for one	Unknown — not stated by the source	ImageUltra enabled, Remote Deployment Manager, Software Delivery Assistant, System Migration Assistant, ThinkVantage Rescue and Recovery
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	Boot sequence control, Boot without keyboard or mouse, Configuration password, Diskette Boot inhibit, Diskette I/O control, Hardfile I/O control, Parallel I/O control, Power on password, Security slot (for attachment of optional cable lock), Serial I/O
TV tuner integrated	No	No
Intel segment tagging	Enterprise, Professional	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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