Intel Xeon E7-4820 vs Intel Xeon E7-2870

Comparative analysis of Intel Xeon E7-4820 and Intel Xeon E7-2870 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization.

Intel Xeon E7-4820

Intel Xeon E7-2870

Differences

Reasons to consider the Intel Xeon E7-4820

2x more maximum memory size: 2 TB vs 1 TB
Around 24% lower typical power consumption: 105 Watt vs 130 Watt

Maximum memory size	2 TB vs 1 TB
Max number of CPUs in a configuration	4 vs 2
Thermal Design Power (TDP)	105 Watt vs 130 Watt

Reasons to consider the Intel Xeon E7-2870

2 more cores, run more applications at once: 10 vs 8
4 more threads: 20 vs 16
Around 23% higher clock speed: 2.80 GHz vs 2.27 GHz
Around 8% higher maximum core temperature: 69°C vs 64°C

Number of cores	10 vs 8
Number of threads	20 vs 16
Maximum frequency	2.80 GHz vs 2.27 GHz
Maximum core temperature	69°C vs 64°C

Compare specifications (specs)

	Intel Xeon E7-4820	Intel Xeon E7-2870
Essentials
Architecture codename	Westmere EX	Westmere EX
Launch date	Q2'11	Q2'11
Place in performance rating	not rated	not rated
Processor Number	E7-4820	E7-2870
Series	Intel® Xeon® Processor E7 Family	Intel® Xeon® Processor E7 Family
Status	Discontinued	Discontinued
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz	2.40 GHz
Bus Speed	5.86 GT/s QPI	6.4 GT/s QPI
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	64°C	69°C
Maximum frequency	2.27 GHz	2.80 GHz
Number of cores	8	10
Number of threads	16	20
Memory
Max memory channels	4	4
Maximum memory size	2 TB	1 TB
Supported memory types	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	49.17mm x 56.47mm	49.17mm x 56.47mm
Sockets supported	LGA1567	LGA1567
Thermal Design Power (TDP)	105 Watt	130 Watt
Peripherals
Scalability	S4S	S2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)