Phenom X3 8450 vs Core 2 Duo T9400

VS

Aggregate performance score

Core 2 Duo T9400
2008
2 cores / 2 threads, 35 Watt
0.64
Phenom X3 8450
2008
3 cores / 3 threads, 95 Watt
0.77
+20.3%

Phenom X3 8450 outperforms Core 2 Duo T9400 by a significant 20% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo T9400 and Phenom X3 8450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27722646
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Duono data
Power efficiency1.720.76
Architecture codenamePenryn (2008−2011)Toliman (2008)
Release date15 July 2008 (16 years ago)April 2008 (16 years ago)
Launch price (MSRP)$316no data

Detailed specifications

Core 2 Duo T9400 and Phenom X3 8450 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)3 (Tri-Core)
Threads23
Base clock speed2.53 GHzno data
Boost clock speed2.53 GHz2.1 GHz
Bus rate1066 MHzno data
L1 cache128 KB128 KB (per core)
L2 cache6 MB512 KB (per core)
L3 cache6 MB L2 Cache2 MB (shared)
Chip lithography45 nm65 nm
Die size107 mm2285 mm2
Maximum core temperature105 °Cno data
Number of transistors410 Million450 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.162Vno data

Compatibility

Information on Core 2 Duo T9400 and Phenom X3 8450 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
SocketBGA479,BGA956,PBGA479,PGA478AM2+
Power consumption (TDP)35 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9400 and Phenom X3 8450. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States-no data
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo T9400 and Phenom X3 8450 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 2 Duo T9400 and Phenom X3 8450 are enumerated here.

AMD-V-+
VT-x+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.

Core 2 Duo T9400 0.64
Phenom X3 8450 0.77
+20.3%

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 T9400 1011
Phenom X3 8450 1221
+20.8%

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.

Core 2 Duo T9400 322
+25.8%
Phenom X3 8450 256

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.

Core 2 Duo T9400 510
Phenom X3 8450 703
+37.8%

Gaming performance

Pros & cons summary


Performance score 0.64 0.77
Physical cores 2 3
Threads 2 3
Chip lithography 45 nm 65 nm
Power consumption (TDP) 35 Watt 95 Watt

Core 2 Duo T9400 has a 44.4% more advanced lithography process, and 171.4% lower power consumption.

Phenom X3 8450, on the other hand, has a 20.3% higher aggregate performance score, and 50% more physical cores and 50% more threads.

The Phenom X3 8450 is our recommended choice as it beats the Core 2 Duo T9400 in performance tests.

Be aware that Core 2 Duo T9400 is a notebook processor while Phenom X3 8450 is a desktop one.


Should you still have questions on choice between Core 2 Duo T9400 and Phenom X3 8450, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Duo T9400
Core 2 Duo T9400
AMD Phenom X3 8450
Phenom X3 8450

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.9 119 votes

Rate Core 2 Duo T9400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 115 votes

Rate Phenom X3 8450 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo T9400 or Phenom X3 8450, agree or disagree with our judgements, or report an error or mismatch.