Core 2 Duo T8300 vs Xeon E3-1271 v3

Place in the ranking	1269	2529
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	Intel Core 2 Duo
Power efficiency	5.60	2.51
Architecture codename	no data	Penryn (2008−2011)
Release date	1 April 2014 (10 years ago)	10 January 2008 (16 years ago)
Launch price (MSRP)	no data	$241

Detailed specifications

Xeon E3-1271 v3 and Core 2 Duo T8300 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)	2 (Dual-core)
Threads	8	2
Base clock speed	3.6 GHz	2.4 GHz
Boost clock speed	4 GHz	2.4 GHz
Bus rate	5 GT/s	800 MHz
L2 cache	no data	3 MB
L3 cache	8 MB Intel® Smart Cache	3 MB L2 Cache
Chip lithography	22 nm	45 nm
Die size	no data	107 mm²
Maximum core temperature	no data	105 °C
Number of transistors	no data	410 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	1V-1.25V

Compatibility

Information on Xeon E3-1271 v3 and Core 2 Duo T8300 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	no data
Socket	FCLGA1150	BGA479,PGA478
Power consumption (TDP)	80 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Core 2 Duo T8300. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
Demand Based Switching	no data	-
Fast Memory Access	+	no data
FSB parity	no data	-

Security technologies

Xeon E3-1271 v3 and Core 2 Duo T8300 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 Xeon E3-1271 v3 and Core 2 Duo T8300 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1271 v3 and Core 2 Duo T8300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	no data
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Core 2 Duo T8300.

PCIe version	3.0	no data
PCI Express lanes	16	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.

Xeon E3-1271 v3 4.73
+409%

Core 2 Duo T8300 0.93

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.

Xeon E3-1271 v3 7510
+410%

Core 2 Duo T8300 1472

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.

Xeon E3-1271 v3 1189
+292%

Core 2 Duo T8300 303

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.

Xeon E3-1271 v3 3834
+697%

Core 2 Duo T8300 481

Gaming performance

Pros & cons summary

Performance score	4.73	0.93
Recency	1 April 2014	10 January 2008
Physical cores	4	2
Threads	8	2
Chip lithography	22 nm	45 nm
Power consumption (TDP)	80 Watt	35 Watt

Xeon E3-1271 v3 has a 408.6% higher aggregate performance score, an age advantage of 6 years, 100% more physical cores and 300% more threads, and a 104.5% more advanced lithography process.

Core 2 Duo T8300, on the other hand, has 128.6% lower power consumption.

The Xeon E3-1271 v3 is our recommended choice as it beats the Core 2 Duo T8300 in performance tests.

Be aware that Xeon E3-1271 v3 is a server/workstation processor while Core 2 Duo T8300 is a notebook one.

Should you still have questions on choice between Xeon E3-1271 v3 and Core 2 Duo T8300, ask them in Comments section, and we shall answer.