Core 2 Duo E6700 vs Core i7-870

Place in the ranking	1930	2774
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.18	no data
Market segment	Desktop processor	Desktop processor
Series	no data	Core 2 Duo (Desktop)
Power efficiency	1.96	0.90
Architecture codename	Lynnfield (2009−2010)	Conroe (2006−2007)
Release date	8 September 2009 (15 years ago)	no data (2024 years ago)
Launch price (MSRP)	$305	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-870 and Core 2 Duo (Desktop) E6700 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	2.93 GHz	no data
Boost clock speed	3.6 GHz	2.66 GHz
Bus rate	2.5 GT/s	1066 MHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	8 MB (shared)	no data
Chip lithography	45 nm	65 nm
Die size	296 mm²	no data
Maximum core temperature	73 °C	no data
Number of transistors	774 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-870 and Core 2 Duo (Desktop) E6700 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	FCLGA1156,LGA1156	no data
Power consumption (TDP)	95 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-870 and Core 2 Duo (Desktop) E6700. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	-	no data
PAE	36 Bit	no data

Security technologies

Core i7-870 and Core 2 Duo (Desktop) E6700 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-870 and Core 2 Duo (Desktop) E6700 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-870 and Core 2 Duo (Desktop) E6700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-870 and Core 2 Duo (Desktop) E6700.

PCIe version	2.0	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.

i7-870 1.97
+218%

Core 2 Duo E6700 0.62

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.

i7-870 3137
+217%

Core 2 Duo E6700 990

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.

i7-870 476
+56.6%

Core 2 Duo E6700 304

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.

i7-870 1555
+203%

Core 2 Duo E6700 513

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-870 4007
+47.9%

Core 2 Duo E6700 2710

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-870 5881
+150%

Core 2 Duo E6700 2354

Gaming performance

Pros & cons summary

Performance score	1.97	0.62
Physical cores	4	2
Threads	8	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	95 Watt	65 Watt

i7-870 has a 217.7% higher aggregate performance score, 100% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.

Core 2 Duo E6700, on the other hand, has 46.2% lower power consumption.

The Core i7-870 is our recommended choice as it beats the Core 2 Duo E6700 in performance tests.

Should you still have questions on choice between Core i7-870 and Core 2 Duo E6700, ask them in Comments section, and we shall answer.