Intel Xeon E7-4807 vs Intel Xeon E5540

Comparative analysis of Intel Xeon E7-4807 and Intel Xeon E5540 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E7-4807

Intel Xeon E5540

Differences

Reasons to consider the Intel Xeon E7-4807

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
14.2x more maximum memory size: 2 TB vs 144 GB
Around 26% better performance in PassMark - CPU mark: 6223 vs 4935

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Manufacturing process technology	32 nm vs 45 nm
Maximum memory size	2 TB vs 144 GB
Max number of CPUs in a configuration	4 vs 2
Benchmarks
PassMark - CPU mark	6223 vs 4935

Reasons to consider the Intel Xeon E5540

Around 9% higher maximum core temperature: 76°C vs 70°C
Around 19% lower typical power consumption: 80 Watt vs 95 Watt
Around 56% better performance in PassMark - Single thread mark: 1128 vs 721

Specifications (specs)
Maximum core temperature	76°C vs 70°C
Thermal Design Power (TDP)	80 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1128 vs 721

Compare benchmarks

CPU 1: Intel Xeon E7-4807
CPU 2: Intel Xeon E5540

PassMark - Single thread mark

CPU 1

CPU 2

721

1128

PassMark - CPU mark

CPU 1

CPU 2

6223

4935

Name	Intel Xeon E7-4807	Intel Xeon E5540
PassMark - Single thread mark	721	1128
PassMark - CPU mark	6223	4935
Geekbench 4 - Single Core		383
Geekbench 4 - Multi-Core		1596

Compare specifications (specs)

	Intel Xeon E7-4807	Intel Xeon E5540
Essentials
Architecture codename	Westmere EX	Nehalem EP
Launch date	Q2'11	March 2009
Place in performance rating	2475	2450
Processor Number	E7-4807	E5540
Series	Intel® Xeon® Processor E7 Family	Legacy Intel® Xeon® Processors
Status	Discontinued	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$30
Price now		$35
Value for money (0-100)		40.05
Performance
64 bit support
Base frequency	1.86 GHz	2.53 GHz
Bus Speed	4.8 GT/s QPI	5.86 GT/s QPI
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	70°C	76°C
Number of cores	6	4
Number of threads	12	8
Die size		263 mm2
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Maximum frequency		2.80 GHz
Number of QPI Links		2
Transistor count		731 million
VID voltage range		0.75V -1.35V
Memory
Max memory channels	4	3
Maximum memory size	2 TB	144 GB
Supported memory types	DDR3 800/978/1066/1333 (Max Speed 800 MHz)	DDR3 800/1066
ECC memory support
Maximum memory bandwidth		25.6 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	49.17mm x 56.47mm	42.5mm x 45mm
Sockets supported	LGA1567	FCLGA1366
Thermal Design Power (TDP)	95 Watt	80 Watt
Peripherals
Scalability	S4S
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 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Idle States
Intel® Demand Based Switching
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)