Intel Xeon E5-4603 vs Intel Xeon X5675

Comparative analysis of Intel Xeon E5-4603 and Intel Xeon X5675 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, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon E5-4603

Intel Xeon X5675

Differences

Reasons to consider the Intel Xeon E5-4603

CPU is newer: launch date 1 year(s) 2 month(s) later
Around 33% higher maximum memory size: 384 GB vs 288 GB

Launch date	May 2012 vs February 2011
Maximum memory size	384 GB vs 288 GB
Max number of CPUs in a configuration	4 vs 2

Reasons to consider the Intel Xeon X5675

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 73% higher clock speed: 3.46 GHz vs 2 GHz
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 20% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 52% better performance in PassMark - Single thread mark: 1513 vs 995
Around 75% better performance in PassMark - CPU mark: 11736 vs 6690

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum frequency	3.46 GHz vs 2 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	12288 KB (shared) vs 10240 KB (shared)
Benchmarks
PassMark - Single thread mark	1513 vs 995
PassMark - CPU mark	11736 vs 6690

Compare benchmarks

CPU 1: Intel Xeon E5-4603
CPU 2: Intel Xeon X5675

PassMark - Single thread mark

CPU 1

CPU 2

995

1513

PassMark - CPU mark

CPU 1

CPU 2

6690

11736

Name	Intel Xeon E5-4603	Intel Xeon X5675
PassMark - Single thread mark	995	1513
PassMark - CPU mark	6690	11736
Geekbench 4 - Single Core		588
Geekbench 4 - Multi-Core		3454
3DMark Fire Strike - Physics Score		4712
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.995
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		58.16
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.923
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.77
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		14.068

Compare specifications (specs)

	Intel Xeon E5-4603	Intel Xeon X5675
Essentials
Architecture codename	Sandy Bridge EP	Westmere EP
Launch date	May 2012	February 2011
Launch price (MSRP)	$712	$162
Place in performance rating	2107	2111
Price now	$1,890.99	$79.99
Processor Number	E5-4603	X5675
Series	Intel® Xeon® Processor E5 Family	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	0.78	30.70
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz	3.06 GHz
Bus Speed	6.4 GT/s QPI	6.4 GT/s QPI
Die size	294 mm	239 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	10240 KB (shared)	12288 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum frequency	2 GHz	3.46 GHz
Number of cores	4	6
Number of QPI Links	2	2
Number of threads	8	12
Transistor count	1270 million	1170 million
VID voltage range	0.6V-1.35V	0.750V-1.350V
Maximum core temperature		81.3°C
Memory
ECC memory support
Max memory channels	4	3
Maximum memory bandwidth	34.1 GB/s	32 GB/s
Maximum memory size	384 GB	288 GB
Supported memory types	DDR3 800/1066	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	52.5mm x 45.0mm	42.5mm X 45mm
Sockets supported	FCLGA2011	FCLGA1366
Thermal Design Power (TDP)	95 Watt	95 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
Scalability	4S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
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)