AMD Phenom X3 8450 vs Intel Core 2 Duo E8400

#ad
Buy
VS

Combined performance score

Core 2 Duo E8400
0.76

Phenom X3 8450 outperforms Core 2 Duo E8400 by 4% in our combined benchmark results.

General info

Comparing Core 2 Duo E8400 and Phenom X3 8450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking25102478
Place by popularitynot in top-100not in top-100
Value for money1.864.29
Market segmentDesktop processorDesktop processor
Architecture codenameWolfdale (2008−2010)Toliman (2008)
Release date1 January 2008 (16 years old)April 2008 (15 years old)
Current price$70 $13.48
Value for money

Performance per price, higher is better.

Phenom X3 8450 has 131% better value for money than Core 2 Duo E8400.

Technical specs

Core 2 Duo E8400 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 speed3 GHzno data
Boost clock speed3 GHz2.1 GHz
L1 cache64 KB (per core)128 KB (per core)
L2 cache6 MB (shared)512 KB (per core)
L3 cache0 KB2 MB (shared)
Chip lithography45 nm65 nm
Die size104 mm2285 mm2
Maximum core temperature72 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistors410 million450 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E8400 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 configuration11
SocketLGA775AM2+
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Phenom X3 8450. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo E8400 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 E8400 and Phenom X3 8450 are enumerated here.

AMD-Vno data+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Phenom X3 8450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Phenom X3 8450.

PCIe version2.0no 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 E8400 0.76
Phenom X3 8450 0.79
+3.9%

Phenom X3 8450 outperforms Core 2 Duo E8400 by 4% in our combined benchmark results.


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.

Benchmark coverage: 68%

Core 2 Duo E8400 1165
Phenom X3 8450 1216
+4.4%

Phenom X3 8450 outperforms Core 2 Duo E8400 by 4% in Passmark.

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.

Benchmark coverage: 42%

Core 2 Duo E8400 369
+44.1%
Phenom X3 8450 256

Core 2 Duo E8400 outperforms Phenom X3 8450 by 44% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Core 2 Duo E8400 619
Phenom X3 8450 703
+13.6%

Phenom X3 8450 outperforms Core 2 Duo E8400 by 14% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 0.76 0.79
Physical cores 2 3
Threads 2 3
Chip lithography 45 nm 65 nm
Power consumption (TDP) 65 Watt 95 Watt

We couldn't decide between Core 2 Duo E8400 and Phenom X3 8450. The differences in performance seem too small.


Should you still have questions on choice between Core 2 Duo E8400 and Phenom X3 8450, ask them in Comments section, and we shall answer.

User ratings

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


Intel Core 2 Duo E8400
Core 2 Duo E8400
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.

User ratings: view and submit

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


3.7 2033 votes

Rate Intel Core 2 Duo E8400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 103 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions and comments

Here you can ask a question about Core 2 Duo E8400 or Phenom X3 8450, agree or disagree with our judgements, or report an error or mismatch.