Xeon E3-1240 v5 vs i9-7900X

Primary details

Comparing Core i9-7900X and Xeon E3-1240 v5 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	556	1182
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.05	3.84
Market segment	Desktop processor	Server
Series	Core i9 (Desktop)	Intel Xeon E3
Power efficiency	8.96	6.16
Architecture codename	Skylake (server) (2017−2019)	Skylake-DT (2015)
Release date	30 May 2017 (7 years ago)	19 October 2015 (9 years ago)
Launch price (MSRP)	$999	$282

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E3-1240 v5 has 26% better value for money than i9-7900X.

Detailed specifications

Core i9-7900X and Xeon E3-1240 v5 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	10 (Deca-Core)	4 (Quad-Core)
Threads	20	8
Base clock speed	3.3 GHz	3.5 GHz
Boost clock speed	4.5 GHz	3.9 GHz
Bus type	DMI 3.0	DMI 3.0
Bus rate	4 × 8 GT/s	4 × 8 GT/s
Multiplier	33	35
L1 cache	640 KB	256 KB
L2 cache	10 MB	1 MB
L3 cache	13.75 MB	8 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	122 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	1,750 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i9-7900X and Xeon E3-1240 v5 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 (Uniprocessor)	1 (Uniprocessor)
Socket	Socket R4	FCLGA1151,FCLGA2011
Power consumption (TDP)	140 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and Xeon E3-1240 v5. 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-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	+	no data

Security technologies

Core i9-7900X and Xeon E3-1240 v5 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
Secure Key	no data	+
MPX	-	+
SGX	no data	Yes with both Intel® SPS and Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and Xeon E3-1240 v5 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7900X and Xeon E3-1240 v5. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-1866/2133, DDR3L-1333/1600
Maximum memory size	128 GB	64 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	34.134 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Graphics image quality

Maximum display resolutions supported by Core i9-7900X and Xeon E3-1240 v5 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	N/A
Max resolution over eDP	no data	N/A
Max resolution over DisplayPort	no data	N/A
Max resolution over VGA	no data	N/A

Graphics API support

APIs supported by Core i9-7900X and Xeon E3-1240 v5 integrated GPUs, sometimes API versions are included.

DirectX	no data	N/A
OpenGL	no data	N/A

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and Xeon E3-1240 v5.

PCIe version	3.0	3.0
PCI Express lanes	44	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.

---

Pros & cons summary

---

Performance score	13.76	5.40
Recency	30 May 2017	19 October 2015
Physical cores	10	4
Threads	20	8
Power consumption (TDP)	140 Watt	80 Watt

---

Should you still have questions on choice between Core i9-7900X and Xeon E3-1240 v5, 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.

---