Intel Core i5-7400 vs Core i7-4785T

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Combined performance score

i7-4785T
3.59
+0.6%

Core i7-4785T outperforms Core i5-7400 by 1% in our combined benchmark results.

General info

Comparing Core i7-4785T and Core i5-7400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking14071410
Place by popularitynot in top-10054
Value for money1.214.31
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i5
Architecture codenameHaswell (2013−2015)Kaby Lake (2016−2019)
Release date2 June 2013 (10 years old)3 January 2017 (7 years old)
Launch price (MSRP)no data$182
Current price$137 $114 (0.6x MSRP)
Value for money

Performance per price, higher is better.

i5-7400 has 256% better value for money than i7-4785T.

Technical specs

Core i7-4785T and Core i5-7400 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)4 (Quad-Core)
Threads84
Base clock speed2.2 GHz3 GHz
Boost clock speed3.2 GHz3.5 GHz
Bus supportno data8 GT/s
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache8 MB (shared)6 MB (shared)
Chip lithography22 nm14 nm
Die size177 mm2no data
Maximum core temperature66 °C100 °C
Maximum case temperature (TCase)66 °C72 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Core i7-4785T and Core i5-7400 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
SocketFCLGA1150FCLGA1151
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4785T and Core i5-7400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
TSX--
Idle States++
Thermal Monitoring++
SIPP+-
FDI+no data
StatusDiscontinuedDiscontinued

Security technologies

Core i7-4785T and Core i5-7400 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPXno data+
Identity Protection++
SGXno dataYes with Intel® ME
OS Guard++
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4785T and Core i5-7400 are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4785T and Core i5-7400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1333, DDR3-1600, DDR3L-1333, DDR3L-1600DDR4
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s38.397 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4600Intel HD Graphics 630
Max video memory2 GB64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.2 GHz1 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-4785T and Core i5-7400 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+no data
HDMI+no data
DVI+no data
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-4785T and Core i5-7400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096x2304@24Hz4096x2304@24Hz
Max resolution over eDP3840x2160@60Hz4096x2304@60Hz
Max resolution over DisplayPort3840x2160@60Hz4096x2304@60Hz
Max resolution over VGA1920x1200@60Hzno data

Graphics API support

APIs supported by Core i7-4785T and Core i5-7400 integrated GPUs, sometimes API versions are included.

DirectX11.2/1212
OpenGL4.34.5

Peripherals

Specifications and connection of peripherals supported by Core i7-4785T and Core i5-7400.

PCIe versionUp to 3.03.0
PCI Express lanes1616

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.

i7-4785T 3.59
+0.6%
i5-7400 3.57

Core i7-4785T outperforms Core i5-7400 by 1% in our combined benchmark results.


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.

Benchmark coverage: 68%

i7-4785T 5511
+0.4%
i5-7400 5489

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.

Benchmark coverage: 42%

i7-4785T 956
i5-7400 1176
+23%

Core i5-7400 outperforms Core i7-4785T by 23% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

i7-4785T 3064
i5-7400 3233
+5.5%

Core i5-7400 outperforms Core i7-4785T by 6% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 3.59 3.57
Integrated graphics card 1.83 3.09
Recency 2 June 2013 3 January 2017
Threads 8 4
Chip lithography 22 nm 14 nm
Power consumption (TDP) 35 Watt 65 Watt

We couldn't decide between Core i7-4785T and Core i5-7400. The differences in performance seem too small.


Should you still have questions on choice between Core i7-4785T and Core i5-7400, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-4785T
Core i7-4785T
Intel Core i5-7400
Core i5-7400

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Questions and comments

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