Core Ultra 9 288V vs Core 2 Duo T6400

Aggregate performance score

Core 2 Duo T6400
2009
2 cores / 2 threads, 35 Watt
0.46
Core Ultra 9 288V
2024
8 cores / 8 threads, 30 Watt
12.59
+2637%

Core Ultra 9 288V outperforms Core 2 Duo T6400 by a whopping 2637% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo T6400 and Core Ultra 9 288V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2941617
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 Duono data
Power efficiency1.2439.72
Architecture codenamePenryn (2008−2011)Lunar Lake (2024)
Release date1 January 2009 (15 years ago)24 September 2024 (less than a year ago)

Detailed specifications

Core 2 Duo T6400 and Core Ultra 9 288V 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 cores2 (Dual-core)8 (Octa-Core)
Performance-coresno data4
Low Power Efficient-coresno data4
Threads28
Base clock speed2 GHz3.3 GHz
Boost clock speed2 GHz5.1 GHz
Bus rate800 MHz37 MHz
L1 cacheno data192 KB (per core)
L2 cache2 MB2.5 MB (per core)
L3 cache2 MB L2 Cache12 MB (shared)
Chip lithography45 nm3 nm
Maximum core temperature105 °C100 °C
64 bit support++
Windows 11 compatibility-no data
VID voltage range1V-1.25Vno data

Compatibility

Information on Core 2 Duo T6400 and Core Ultra 9 288V 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 configurationno data1
SocketPGA478FCBGA2833
Power consumption (TDP)35 Watt30 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 and Core Ultra 9 288V. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology--
TSX-+
Thermal Monitoring-+
Demand Based Switching-no data
Turbo Boost Max 3.0no data+
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

Core 2 Duo T6400 and Core Ultra 9 288V technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Core Ultra 9 288V are enumerated here.

VT-dno data+
VT-x-+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Core Ultra 9 288V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5
Maximum memory sizeno data32 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel Arc Graphics 140V
Quick Sync Video-+
Graphics max frequencyno data2.05 GHz

Graphics interfaces

Available interfaces and connections of Core 2 Duo T6400 and Core Ultra 9 288V integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core 2 Duo T6400 and Core Ultra 9 288V integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data3840x2400 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core 2 Duo T6400 and Core Ultra 9 288V integrated GPUs, sometimes API versions are included.

DirectXno data12.2
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T6400 and Core Ultra 9 288V.

PCIe versionno data5.0
PCI Express lanesno data4
PCI supportno data5.0 and 4.0

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 T6400 0.46
Ultra 9 288V 12.59
+2637%

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 T6400 729
Ultra 9 288V 20000
+2643%

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.

Core 2 Duo T6400 2115
Ultra 9 288V 10697
+406%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Duo T6400 4005
Ultra 9 288V 45377
+1033%

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.

Core 2 Duo T6400 1768
Ultra 9 288V 12505
+607%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo T6400 39.42
Ultra 9 288V 9
+338%

Gaming performance

Pros & cons summary


Performance score 0.46 12.59
Recency 1 January 2009 24 September 2024
Physical cores 2 8
Threads 2 8
Chip lithography 45 nm 3 nm
Power consumption (TDP) 35 Watt 30 Watt

Ultra 9 288V has a 2637% higher aggregate performance score, an age advantage of 15 years, 300% more physical cores and 300% more threads, a 1400% more advanced lithography process, and 16.7% lower power consumption.

The Core Ultra 9 288V is our recommended choice as it beats the Core 2 Duo T6400 in performance tests.


Should you still have questions on choice between Core 2 Duo T6400 and Core Ultra 9 288V, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo T6400
Core 2 Duo T6400
Intel Core Ultra 9 288V
Core Ultra 9 288V

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Core 2 Duo T6400 or Core Ultra 9 288V, agree or disagree with our judgements, or report an error or mismatch.