Product comparison · 2 pcs/workstations

Lenovo ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550 vs Lenovo ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504

97specifications compared
16differ
81identical
5known for one product only

Key differences

The Lenovo ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550 has 4 more processor threads than the Lenovo ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504 (8 vs 4). The Lenovo ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550 has 0.66 GHz more processor frequency than the Lenovo ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504 (2.66 GHz vs 2 GHz). The Lenovo ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550 has 4 MB more processor cache than the Lenovo ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504 (8 MB vs 4 MB). Only the Lenovo ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504 has embedded options available. Only the Lenovo ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550 has Intel® Hyper Threading Technology (Intel® HT Technology).

Processor model
- ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550:X5550
- ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504:E5504
Processor threads
- ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550:8
- ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504:4
Processor frequency
- ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550:2.66 GHz
- ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504:2 GHz
Processor cache
- ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550:8 MB
- ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504:4 MB
System bus rate
- ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550:6.4 GT/s
- ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504:4.8 GT/s
Thermal Design Power (TDP)
- ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550:95 W
- ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504:80 W
Tcase
- ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550:75 °C
- ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504:76 °C
CPU multiplier (bus/core ratio)
- ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550:20
- ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504:15

Side by side

Differences highlightedShow differences only

Comparison of SNF16HN, SNF21HN
102 specifications	A Lenovo ThinkStation SNF16HN workstation Intel® Xeon® 5000 Sequence X5550 Model SNF16HN View product	B Lenovo ThinkStation SNF21HN workstation Intel® Xeon® 5000 Sequence E5504 Model SNF21HN View product
Processor10 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	X5550	E5504
Processor cores	4	4
Processor threadsDiffers	8	4
Processor boost frequencyKnown for one	3.06 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.66 GHz	2 GHz
Processor cacheDiffers	8 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
FSB Parity	No	No
System bus rateDiffers	6.4 GT/s	4.8 GT/s
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Xeon 5500 Series	Intel Xeon 5500 Series
Processor codename	Nehalem EP	Nehalem EP
Processor system type	DP	DP
Thermal Design Power (TDP)Differs	95 W	80 W
TcaseDiffers	75 °C	76 °C
Number of QPI links	2	2
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	731 M	Unknown — not stated by the source
Processing Die sizeKnown for one	263 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	20	15
Stepping	D0	D0
Maximum internal memory supported by processor	144 GB	144 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800 MHz
Memory bandwidth supported by processor (max)Differs	32 GB/s	19.2 GB/s
ECC supported by processor	Yes	Yes
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory clock speed	1066 MHz	1066 MHz
ECC	Yes	Yes
Memory channels	Triple-channel	Triple-channel
Storageidentical
Optical drive type	DVD-RW	DVD-RW
HDD capacity	250 GB	250 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
Performanceidentical
Product type	Workstation	Workstation
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	2	2
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	0	0
PS/2 ports quantity	2	2
eSATA ports quantity	1	1
Serial ports quantity	1	1
Parallel ports quantity	0	0
DVI-I ports quantity	1	1
Expansion slotsidentical
PCI Express x1 slots	1	1
PCI Express x4 slots	1	1
PCI Express x16 slots	2	2
PCI slots	2	2
Poweridentical
Power requirements	100-240V, 50/60Hz	100-240V, 50/60Hz
Designidentical
Chassis type	Tower	Tower
Product colour	Black	Black
Softwareidentical
Drivers included	Yes	Yes
Operating system installedKnown for one	Unknown — not stated by the source	Windows XP Professional
Displayidentical
Display included	No	No
Processor special features5 differ
CPU configuration (max)	2	2
Embedded options availableDiffers	No	Yes
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	Yes	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
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® Smart Cache	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)	Yes	Yes
Processor ARK IDDiffers	37106	40711
Processor codeDiffers	SLBF5	SLBF9
Processor package size	42.5 x 45 mm	42.5 x 45 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
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
Weight & dimensions1 differ
Width	210 mm	210 mm
Depth	602 mm	602 mm
HeightDiffers	134 mm	478 mm

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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