Intel Core 2 Quad Q8400 Benchmark, Test and specs

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The Intel Core 2 Quad Q8400 was released in Q2/2009 and has 4 cores. The processor can process 4 threads simultaneously and uses a mainboard with the socket LGA 775. In the Geekbench 5 benchmark, the Intel Core 2 Quad Q8400 achieved a result of 369 points (single-core) or 1,155 points (multi-core).
Intel Core 2 Quad Q8400

CPU lineage

In this classification you can see to which group of processors the Intel Core 2 Quad Q8400 belongs. We also show the direct predecessor and successor of Intel Core 2 Quad Q8400.

Name: Intel Core 2 Quad Q8400
Family: Intel Core2 Quad (19)
CPU group: Intel Core 2 Quad Q8000/Q9000 (16)
Architecture: Yorkfield (Penryn)
Segment: Desktop / Server
Generation: 2
Predecessor: --
Successor: --

CPU Cores and Base Frequency

The Intel Core 2 Quad Q8400 has 4 cores. The clock frequency of the Intel Core 2 Quad Q8400 is 2.66 GHz. An initial performance assessment can be made using the number of CPU cores.

CPU Cores / Threads: 4 / 4
Core architecture: normal
Cores: 4x
Hyperthreading / SMT: No
Overclocking: No
Frequency: 2.66 GHz
Turbo Frequency (1 Core): --
Turbo Frequency (4 Cores): --

Memory & PCIe

The Intel Core 2 Quad Q8400 supports a maximum of 16 GB memory. Depending on the mainboard, the processor can use a maximum of 2 (Dual Channel) memory channels. This results in a maximum bandwidth of the main memory of 12.8 GB/s.

Memory type: Memory bandwidth:
DDR3-1066
DDR2-800
--
12.8 GB/s
Max. Memory: 16 GB
Memory channels: 2 (Dual Channel)
ECC: No
PCIe:
PCIe Bandwidth: --

Thermal Management

The Intel Core 2 Quad Q8400 has a TDP of 95 W. Based on the TDP, the system manufacturer can and must adapt the cooling solution to the processor.

TDP (PL1 / PBP): 95 W
TDP (PL2): --
TDP up: --
TDP down: --
Tjunction max.: --

Technical details

Modern production reduces the waste heat of a processor and increases its efficiency. The Intel Core 2 Quad Q8400 is made in 45 nm and has 4.00 MB cache.

Technology: 45 nm
Chip design: Monolithic
Socket: LGA 775
L2-Cache: 4.00 MB
L3-Cache: --
AES-NI: No
Operating systems: Windows 10, Linux
Virtualization: VT-x, VT-d
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: MMX, SSE2, SSE3, SSE4.1
Release date: Q2/2009
Release price: --
Part Number: --
Documents: --

Benchmark results

Verified Benchmark results
The benchmark results for the Intel Core 2 Quad Q8400 have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.

Screenshots:

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Athlon II X2 220 AMD Athlon II X2 220
2C 2T @ 2.80 GHz
371
AMD Phenom II X4 B95 AMD Phenom II X4 B95
4C 4T @ 3.00 GHz
370
Intel Core i3-3217U Intel Core i3-3217U
2C 4T @ 1.80 GHz
370
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
369
AMD Athlon II X2 240e AMD Athlon II X2 240e
2C 2T @ 2.80 GHz
369
Intel Pentium E5400 Intel Pentium E5400
2C 2T @ 2.70 GHz
368
Intel Core2 Duo E7200 Intel Core2 Duo E7200
2C 2T @ 2.53 GHz
368

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Athlon II X4 615e AMD Athlon II X4 615e
4C 4T @ 2.50 GHz
1161
AMD A8-3850 AMD A8-3850
4C 4T @ 2.90 GHz
1159
Intel Core i5-3317U Intel Core i5-3317U
2C 4T @ 1.70 GHz
1157
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
1155
AMD Athlon II X4 620 AMD Athlon II X4 620
4C 4T @ 2.60 GHz
1155
Intel Atom x7-E3950 Intel Atom x7-E3950
4C 4T @ 1.60 GHz
1154
MediaTek Helio X20 MediaTek Helio X20
10C 10T @ 2.10 GHz
1153

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD A8-3500M AMD A8-3500M
4C 4T @ 2.40 GHz
2052
Intel Core i7-3517U Intel Core i7-3517U
2C 4T @ 2.50 GHz
2031
Intel Core i3-3240T Intel Core i3-3240T
2C 4T @ 2.90 GHz
2030
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
2029
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.20 GHz
2027
Intel Core i3-5005U Intel Core i3-5005U
2C 4T @ 2.00 GHz
2025
Intel Core i3-2130 Intel Core i3-2130
2C 4T @ 3.40 GHz
2020

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-5600U Intel Core i7-5600U
2C 4T @ 2.60 GHz
912
Intel Core i7-6600U Intel Core i7-6600U
2C 4T @ 2.60 GHz
898
AMD Phenom II X6 1090T AMD Phenom II X6 1090T
6C 6T @ 3.20 GHz
895
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
894
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz
891
Intel Core i5-4200H Intel Core i5-4200H
2C 4T @ 2.80 GHz
875
Intel Core i5-7200U Intel Core i5-7200U
2C 4T @ 2.50 GHz
865

Benchmarks





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