Intel Pentium B915C vs Intel Xeon E3-1125C

Comparative analysis of Intel Pentium B915C and Intel Xeon E3-1125C processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization.

Intel Pentium B915C

Intel Xeon E3-1125C

Differences

Reasons to consider the Intel Pentium B915C

2.7x lower typical power consumption: 15 Watt vs 40 Watt

Thermal Design Power (TDP)	15 Watt vs 40 Watt

Reasons to consider the Intel Xeon E3-1125C

2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 33% higher clock speed: 2 GHz vs 1.5 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
4x more L3 cache, more data can be stored in the L3 cache for quick access later

Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	2 GHz vs 1.5 GHz
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	8192 KB (shared) vs 2048 KB (shared)

Compare specifications (specs)

	Intel Pentium B915C	Intel Xeon E3-1125C
Essentials
Architecture codename	Gladden	Gladden
Launch date	May 2012	May 2012
Place in performance rating	not rated	not rated
Processor Number	B915C	E3-1125C
Series	Legacy Intel® Pentium® Processor	Intel® Xeon® Processor E3 Family
Status	Launched	Launched
Vertical segment	Embedded	Embedded
Performance
64 bit support
Base frequency	1.50 GHz	2.00 GHz
Die size	131 mm	216 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	2048 KB (shared)	8192 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	100°C	100°C
Maximum frequency	1.5 GHz	2 GHz
Number of cores	2	4
Number of threads	4	8
Transistor count	504 million	1160 million
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	25.6 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3 1066/1333	DDR3 1066/1333/1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5 mm	37.5mm x 37.5 mm
Sockets supported	FCBGA1284	FCBGA1284
Thermal Design Power (TDP)	15 Watt	40 Watt
Peripherals
Max number of PCIe lanes	20	20
PCI Express revision	2	2
PCIe configurations	1x16 1x4 or 2x8 1x4 or 1x8 3x4	1x16 1x4 or 2x8 1x4 or 1x8 3x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)