Xeon E3-1285 v4 vs i7-4650U

Primary details

Comparing Core i7-4650U and Xeon E3-1285 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2127	1245
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i7	no data
Power efficiency	9.78	4.90
Architecture codename	Haswell-ULT (2013)	Broadwell-DT (2015)
Release date	4 June 2013 (11 years ago)	2 June 2015 (9 years ago)
Launch price (MSRP)	$454	no data

Detailed specifications

Core i7-4650U and Xeon E3-1285 v4 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	2 (Dual-core)	4 (Quad-Core)
Threads	4	8
Base clock speed	1.7 GHz	3.5 GHz
Boost clock speed	3.3 GHz	3.8 GHz
Bus rate	5 GT/s	5 GT/s
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	4 MB (shared)	6 MB (shared)
Chip lithography	22 nm	14 nm
Die size	118 mm2	160 mm2
Maximum core temperature	100 °C	no data
Number of transistors	1,300 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-4650U and Xeon E3-1285 v4 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	FCBGA1168	FCLGA1150
Power consumption (TDP)	15 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4650U and Xeon E3-1285 v4. 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	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	no data	128 MB
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	-
GPIO	+	no data
Smart Connect	+	no data
FDI	+	+
AMT	9.5	no data
HD Audio	+	no data
RST	+	no data

Security technologies

Core i7-4650U and Xeon E3-1285 v4 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 i7-4650U and Xeon E3-1285 v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4650U and Xeon E3-1285 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	16 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	29.8 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 5000	Intel Iris Pro P6300
Max video memory	2 GB	32 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	1.15 GHz
Execution Units	no data	48
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-4650U and Xeon E3-1285 v4 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-4650U and Xeon E3-1285 v4 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3200x2000@60Hz	no data
Max resolution over DisplayPort	3200x2000@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i7-4650U and Xeon E3-1285 v4 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 i7-4650U and Xeon E3-1285 v4.

PCIe version	2.0	3.0
PCI Express lanes	12	16
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	4	no data
Max number of SATA 6 Gb/s Ports	4	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	no 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.

---

Pros & cons summary

---

Performance score	1.55	4.92
Recency	4 June 2013	2 June 2015
Physical cores	2	4
Threads	4	8
Chip lithography	22 nm	14 nm
Power consumption (TDP)	15 Watt	95 Watt

---

Should you still have questions on choice between Core i7-4650U and Xeon E3-1285 v4, ask them in Comments section, and we shall answer.

Vote for your favorite

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

---