Core i5-9400T vs Core i7-5775R

General info

Comparing Core i7-5775R and Core i5-9400T processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1136	1067
Place by popularity	not in top-100	not in top-100
Value for money	no data	4.10
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7	Intel Core i5
Architecture codename	Broadwell (2015−2019)	Coffee Lake (2017−2019)
Release date	15 May 2015 (8 years old)	1 September 2018 (5 years old)
Launch price (MSRP)	no data	$182
Current price	no data	$84 (0.5x MSRP)

Value for money

Performance per price, higher is better.

Technical specs

Core i7-5775R and Core i5-9400T 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	6
Base clock speed	3.3 GHz	1.8 GHz
Boost clock speed	3.8 GHz	3.4 GHz
Bus support	5 GT/s	4 × 8 GT/s
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	6 MB (shared)	9 MB (shared)
Chip lithography	14 nm	14 nm
Die size	182 mm2	149 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Core i7-5775R and Core i5-9400T 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	1
Socket	FCBGA1364	FCLGA1151
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5775R and Core i5-9400T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
SIPP	-	-
FDI	+	no data
Status	Discontinued	Discontinued

Security technologies

Core i7-5775R and Core i5-9400T technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	+
MPX	no data	+
Identity Protection	+	+
SGX	no data	Yes with Intel® ME
OS Guard	+	+
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5775R and Core i5-9400T are enumerated here.

VT-d	+	+
VT-x	+	+
VT-i	-	no data
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5775R and Core i5-9400T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600, DDR3L-1866	DDR4-2666
Maximum memory size	32 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	29.86 GB/s	41.6 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Pro Graphics 6200	Intel UHD Graphics 630
Max video memory	32 GB	64 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.15 GHz	1.05 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i7-5775R and Core i5-9400T integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-5775R and Core i5-9400T integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	4096x2304@24Hz	4096 x 2304@24Hz
Max resolution over eDP	3840x2160@60Hz	4096 x 2304@60Hz
Max resolution over DisplayPort	3840x2160@60Hz	4096 x 2304@60Hz
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Core i7-5775R and Core i5-9400T integrated GPUs, sometimes API versions are included.

DirectX	11.2	12
OpenGL	4.3	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-5775R and Core i5-9400T.

PCIe version	3.0	3.0
PCI Express lanes	16	16

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.

Core i5-9400T outperforms Core i7-5775R by 11% based on our aggregated benchmark results.

---

Advantages and disadvantages

---

Performance score	4.91	5.43
Integrated graphics card	3.90	3.08
Recency	15 May 2015	1 September 2018
Physical cores	4	6
Threads	8	6
Power consumption (TDP)	65 Watt	35 Watt

---

Should you still have questions on choice between Core i7-5775R and Core i5-9400T, ask them in Comments section, and we shall answer.

Vote

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

---