Pentium E5400 vs i7-4790K

VS

Aggregate performance score

Core i7-4790K
2014
4 cores / 8 threads, 88 Watt
5.08
+719%
Pentium E5400
2009
2 cores / 2 threads, 65 Watt
0.62

Core i7-4790K outperforms Pentium E5400 by a whopping 719% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4790K and Pentium E5400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12212794
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.978.46
Market segmentDesktop processorDesktop processor
SeriesCore i7 (Desktop)no data
Power efficiency5.460.90
Architecture codenameDevil's CanyonWolfdale (2008−2010)
Release dateJune 2014 (10 years ago)18 January 2009 (15 years ago)
Launch price (MSRP)$339$55

Cost-effectiveness evaluation

Performance per price, higher is better.

Pentium E5400 has 772% better value for money than i7-4790K.

Detailed specifications

Core i7-4790K and Pentium E5400 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 cores4 (Quad-Core)2 (Dual-core)
Threads82
Base clock speed4 GHz2.7 GHz
Boost clock speed4.4 GHz2.7 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)2 MB (shared)
L3 cache8 MB (shared)0 KB
Chip lithography22 nm45 nm
Die size177 mm282 mm2
Maximum core temperatureno data74 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors1,400 million228 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Core i7-4790K and Pentium E5400 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 configuration11
SocketFCLGA1150LGA775
Power consumption (TDP)88 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Pentium E5400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Demand Based Switchingno data-
FDI+no data

Security technologies

Core i7-4790K and Pentium E5400 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 Pentium E5400 are enumerated here.

AMD-V+-
VT-d+-
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Pentium E5400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 4600On certain motherboards (Chipset feature)
Max video memory2 GBno data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.25 GHzno data
Execution Units20no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-4790K and Pentium E5400 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Pentium E5400 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.43840x2160@24Hzno data
Max resolution over eDP3840x2160@60Hzno data
Max resolution over DisplayPort3840x2160@60Hzno data
Max resolution over VGA1920x1200@60Hzno data

Graphics API support

APIs supported by Core i7-4790K and Pentium E5400 integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Pentium E5400.

PCIe version3.02.0
PCI Express lanes16no data

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
+719%
Pentium E5400 0.62

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
+725%
Pentium E5400 978

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-4790K 1407
+352%
Pentium E5400 311

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-4790K 4403
+768%
Pentium E5400 507

Gaming performance

Pros & cons summary


Performance score 5.08 0.62
Recency on June 2014 18 January 2009
Physical cores 4 2
Threads 8 2
Chip lithography 22 nm 45 nm
Power consumption (TDP) 88 Watt 65 Watt

i7-4790K has a 719.4% higher aggregate performance score, an age advantage of 5 years, 100% more physical cores and 300% more threads, and a 104.5% more advanced lithography process.

Pentium E5400, on the other hand, has 35.4% lower power consumption.

The Core i7-4790K is our recommended choice as it beats the Pentium E5400 in performance tests.


Should you still have questions on choice between Core i7-4790K and Pentium E5400, ask them in Comments section, and we shall answer.

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Intel Core i7-4790K
Core i7-4790K
Intel Pentium E5400
Pentium E5400

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Community ratings

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