Core 2 Quad Q8400 vs Xeon E3-1275 v2

VS

Aggregate performance score

Xeon E3-1275 v2
2012
4 cores / 8 threads, 77 Watt
4.17
+221%
Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30

Xeon E3-1275 v2 outperforms Core 2 Quad Q8400 by a whopping 221% based on our aggregate benchmark results.

Primary details

Comparing Xeon E3-1275 v2 and Core 2 Quad Q8400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13952283
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.88no data
Market segmentServerDesktop processor
Power efficiency5.131.30
Architecture codenameIvy Bridge (2012−2013)Yorkfield (2007−2009)
Release date14 May 2012 (12 years ago)19 April 2009 (15 years ago)
Launch price (MSRP)$808no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E3-1275 v2 and Core 2 Quad Q8400 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 speed3.5 GHz2.66 GHz
Boost clock speed3.9 GHz0.67 GHz
Bus rate5 GT/s1333 MHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)4 MB (shared)
L3 cache8 MB (shared)0 KB
Chip lithography22 nm45 nm
Die size160 mm22x 82 mm2
Maximum case temperature (TCase)no data71 °C
Number of transistors1,400 million456 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Xeon E3-1275 v2 and Core 2 Quad Q8400 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
SocketFCLGA1155FCLGA775,LGA775
Power consumption (TDP)77 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1275 v2 and Core 2 Quad Q8400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Demand Based Switching+-
FDI+no data
Fast Memory Access+no data
FSB parityno data-

Security technologies

Xeon E3-1275 v2 and Core 2 Quad Q8400 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1275 v2 and Core 2 Quad Q8400 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 E3-1275 v2 and Core 2 Quad Q8400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3
Maximum memory size32.77 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD P4000On certain motherboards (Chipset feature)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.25 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1275 v2 and Core 2 Quad Q8400 integrated GPUs.

Number of displays supported3no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1275 v2 and Core 2 Quad Q8400.

PCIe version3.02.0

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 E3-1275 v2 4.17
+221%
Core 2 Quad Q8400 1.30

  • Other tests
    • Passmark
    • GeekBench 5 Single-Core
    • GeekBench 5 Multi-Core

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 E3-1275 v2 6616
+220%
Core 2 Quad Q8400 2066

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 E3-1275 v2 646
+97%
Core 2 Quad Q8400 328

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 E3-1275 v2 2257
+152%
Core 2 Quad Q8400 897

Gaming performance

Pros & cons summary


Performance score 4.17 1.30
Recency 14 May 2012 19 April 2009
Threads 8 4
Chip lithography 22 nm 45 nm
Power consumption (TDP) 77 Watt 95 Watt

Xeon E3-1275 v2 has a 220.8% higher aggregate performance score, an age advantage of 3 years, 100% more threads, a 104.5% more advanced lithography process, and 23.4% lower power consumption.

The Xeon E3-1275 v2 is our recommended choice as it beats the Core 2 Quad Q8400 in performance tests.

Be aware that Xeon E3-1275 v2 is a server/workstation processor while Core 2 Quad Q8400 is a desktop one.


Should you still have questions on choice between Xeon E3-1275 v2 and Core 2 Quad Q8400, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1275 v2
Xeon E3-1275 v2
Intel Core 2 Quad Q8400
Core 2 Quad Q8400

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Community ratings

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