Core i7-1065G7 vs Core 2 Duo E7400

Place in the ranking	2742	1180
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Core i7
Power efficiency	0.94	32.89
Architecture codename	Wolfdale (2008−2010)	Ice Lake (Client) (2019)
Release date	October 2008 (16 years ago)	1 August 2019 (5 years ago)
Launch price (MSRP)	no data	$426

Detailed specifications

Core 2 Duo E7400 and Core i7-1065G7 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	2 (Dual-core)	4 (Quad-Core)
Threads	2	8
Base clock speed	2.8 GHz	1.3 GHz
Boost clock speed	2.8 GHz	3.9 GHz
Bus type	no data	OPI
Bus rate	1066 MHz	4 × 4 GT/s
Multiplier	no data	13
L1 cache	64 KB	320 KB
L2 cache	3 MB (shared)	2 MB
L3 cache	0 KB	8 MB (shared)
Chip lithography	45 nm	10 nm
Die size	82 mm²	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	74 °C	72 °C
Number of transistors	228 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E7400 and Core i7-1065G7 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	1 (Uniprocessor)
Socket	LGA775	FCBGA1526
Power consumption (TDP)	65 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E7400 and Core i7-1065G7. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	no data
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Core 2 Duo E7400 and Core i7-1065G7 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E7400 and Core i7-1065G7 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 2 Duo E7400 and Core i7-1065G7. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	64 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	59.732 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel Iris Plus Graphics
Quick Sync Video	-	+
Graphics max frequency	no data	1.1 GHz

Graphics interfaces

Available interfaces and connections of Core 2 Duo E7400 and Core i7-1065G7 integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+

Graphics image quality

Maximum display resolutions supported by Core 2 Duo E7400 and Core i7-1065G7 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304@60Hz
Max resolution over eDP	no data	5120 x 3200@60Hz
Max resolution over DisplayPort	no data	5120 x 3200@60Hz

Graphics API support

APIs supported by Core 2 Duo E7400 and Core i7-1065G7 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E7400 and Core i7-1065G7.

PCIe version

no data

3.0

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.

Core 2 Duo E7400 0.67

i7-1065G7 5.41
+707%

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.

Core 2 Duo E7400 1027

i7-1065G7 8283
+707%

Gaming performance

Pros & cons summary

Performance score	0.67	5.41
Physical cores	2	4
Threads	2	8
Chip lithography	45 nm	10 nm
Power consumption (TDP)	65 Watt	15 Watt

i7-1065G7 has a 707.5% higher aggregate performance score, 100% more physical cores and 300% more threads, a 350% more advanced lithography process, and 333.3% lower power consumption.

The Core i7-1065G7 is our recommended choice as it beats the Core 2 Duo E7400 in performance tests.

Note that Core 2 Duo E7400 is a desktop processor while Core i7-1065G7 is a notebook one.

Should you still have questions on choice between Core 2 Duo E7400 and Core i7-1065G7, ask them in Comments section, and we shall answer.