Intel Xeon E3-1205 v6 vs Intel Xeon E5-4640

Comparative analysis of Intel Xeon E3-1205 v6 and Intel Xeon E5-4640 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E3-1205 v6

Intel Xeon E5-4640

Differences

Reasons to consider the Intel Xeon E3-1205 v6

CPU is newer: launch date 4 year(s) 10 month(s) later
Around 7% higher clock speed: 3.00 GHz vs 2.80 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Around 35% better performance in PassMark - Single thread mark: 1875 vs 1392

Specifications (specs)
Launch date	28 Mar 2017 vs May 2012
Maximum frequency	3.00 GHz vs 2.80 GHz
Manufacturing process technology	14 nm vs 32 nm
Thermal Design Power (TDP)	65 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1875 vs 1392

Reasons to consider the Intel Xeon E5-4640

4 more cores, run more applications at once: 8 vs 4
12 more threads: 16 vs 4
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
2.5x more L3 cache, more data can be stored in the L3 cache for quick access later
6x more maximum memory size: 384 GB vs 64 GB
3.8x better performance in PassMark - CPU mark: 21374 vs 5682

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 4
L1 cache	64 KB (per core) vs 256 KB
L2 cache	256 KB (per core) vs 1 MB
L3 cache	20480 KB (shared) vs 8 MB
Maximum memory size	384 GB vs 64 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	21374 vs 5682

Compare benchmarks

CPU 1: Intel Xeon E3-1205 v6
CPU 2: Intel Xeon E5-4640

PassMark - Single thread mark

CPU 1

CPU 2

1875

1392

PassMark - CPU mark

CPU 1

CPU 2

5682

21374

Name	Intel Xeon E3-1205 v6	Intel Xeon E5-4640
PassMark - Single thread mark	1875	1392
PassMark - CPU mark	5682	21374

Compare specifications (specs)

	Intel Xeon E3-1205 v6	Intel Xeon E5-4640
Essentials
Architecture codename	Kaby Lake	Sandy Bridge EP
Launch date	28 Mar 2017	May 2012
Launch price (MSRP)	$193	$2,730
Place in performance rating	1237	1242
Processor Number	E3-1205V6	E5-4640
Series	Intel Xeon Processor E3 v6 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Price now		$2,730
Value for money (0-100)		1.14
Performance
64 bit support
Base frequency	3.00 GHz	2.40 GHz
Bus Speed	8 GT/s	8 GT/s QPI
L1 cache	256 KB	64 KB (per core)
L2 cache	1 MB	256 KB (per core)
L3 cache	8 MB	20480 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum frequency	3.00 GHz	2.80 GHz
Number of cores	4	8
Number of threads	4	16
VID voltage range	0.55V-1.52V	0.6V-1.35V
Die size		435 mm
Number of QPI Links		2
Transistor count		2270 million
Memory
Max memory channels	2	4
Maximum memory bandwidth	37.5 GB/s	51.2 GB/s
Maximum memory size	64 GB	384 GB
Supported memory types	DDR4-2400, DDR3L-1866	DDR3 800/1066/1333/1600
ECC memory support
Graphics
Device ID	0x191D
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.00 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	1.7 GB
Processor graphics	Intel HD Graphics P630
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2160@24Hz
Graphics API support
DirectX	12
OpenGL	4.4
Compatibility
Max number of CPUs in a configuration	1	4
Package Size	37.5mm x 37.5mm	52.5mm x 45.0mm
Sockets supported	FCLGA1151	FCLGA2011
Thermal Design Power (TDP)	65 Watt	95 Watt
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	16	40
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4
Scalability	1S Only	4S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2	Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)