Xeon E5-2440 vs i7-4790K

Place in the ranking	1208	1456
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.85	1.87
Market segment	Desktop processor	Server
Series	Core i7 (Desktop)	no data
Power efficiency	5.46	3.82
Architecture codename	Devil's Canyon	Sandy Bridge-EN (2012)
Release date	June 2014 (10 years ago)	14 May 2012 (12 years ago)
Launch price (MSRP)	$339	$295

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2440 has 120% better value for money than i7-4790K.

Detailed specifications

Core i7-4790K and Xeon E5-2440 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	6 (Hexa-Core)
Threads	8	12
Base clock speed	4 GHz	2.4 GHz
Boost clock speed	4.4 GHz	2.9 GHz
Bus rate	5 GT/s	7.2 GT/s
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	8 MB (shared)	15360 KB (shared)
Chip lithography	22 nm	32 nm
Die size	177 mm²	294 mm²
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	1,400 million	1,270 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Core i7-4790K and Xeon E5-2440 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	2
Socket	FCLGA1150	FCLGA1356
Power consumption (TDP)	88 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Xeon E5-2440. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	1.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	-
Demand Based Switching	no data	+
FDI	+	no data

Security technologies

Core i7-4790K and Xeon E5-2440 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
Identity Protection	+	-
OS Guard	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Xeon E5-2440 are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Xeon E5-2440. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	384 GB
Max memory channels	2	3
Maximum memory bandwidth	25.6 GB/s	32 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	no data
Max video memory	2 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
Execution Units	20	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-4790K and Xeon E5-2440 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Xeon E5-2440 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@24Hz	no data
Max resolution over eDP	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Core i7-4790K and Xeon E5-2440 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Xeon E5-2440.

PCIe version	3.0	3.0
PCI Express lanes	16	24

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-4790K 5.08
+32.6%

Xeon E5-2440 3.83

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-4790K 8067
+32.4%

Xeon E5-2440 6091

Gaming performance

Pros & cons summary

Performance score	5.08	3.83
Recency	on June 2014	14 May 2012
Physical cores	4	6
Threads	8	12
Chip lithography	22 nm	32 nm
Power consumption (TDP)	88 Watt	95 Watt

i7-4790K has a 32.6% higher aggregate performance score, an age advantage of 2 years, a 45.5% more advanced lithography process, and 8% lower power consumption.

Xeon E5-2440, on the other hand, has 50% more physical cores and 50% more threads.

The Core i7-4790K is our recommended choice as it beats the Xeon E5-2440 in performance tests.

Note that Core i7-4790K is a desktop processor while Xeon E5-2440 is a server/workstation one.

Should you still have questions on choice between Core i7-4790K and Xeon E5-2440, ask them in Comments section, and we shall answer.