Athlon II X3 450: specs and benchmarks


Aggregate performance score

Athlon II X3 450 provides poor benchmark performance at 1.19% of a leader's which is a 96-core Ryzen Threadripper PRO 7995WX.


AMD started Athlon II X3 450 sales 21 September 2010 at a recommended price of $45. This is a Rana architecture desktop processor primarily aimed at office systems. It has 3 cores and 3 threads, and is based on 45 nm manufacturing technology, with a maximum frequency of 3.2 and a locked multiplier.

Compatibility-wise, this is AMD Socket AM3 processor with a TDP of 95 Watt. It supports DDR3 memory.

Primary details

Athlon II X3 450 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance ranking2263
Place by popularitynot in top-100
Cost-effectiveness evaluation4.89
Market segmentDesktop processor
Architecture codenameRana (2009−2011)
Release date21 September 2010 (13 years ago)
Launch price (MSRP)$45of 305 (Core i7-870)
Current price$22 (0.5x MSRP)of 15701 (Xeon Platinum 8276L)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores3 (Tri-Core)
Base clock speed3.2 GHzof 4.7 (FX-9590)
Boost clock speed3.2 GHzof 6.2 (Core i9-14900KS)
L1 cache128 KB (per core)of 7475.2 (Apple M2 Pro 10-Core)
L2 cache512 KB (per core)of 98304 (Ryzen Threadripper PRO 7995WX)
L3 cache0 KBof 786432 (EPYC 7373X)
Chip lithography45 nmof 3 (Apple M3 Max 16-Core)
Die size169 mm2
Number of transistors300 millionof 92000 (Apple M3 Max 16-Core)
64 bit support+
Windows 11 compatibility-
Unlocked multiplierNo


Information on Athlon II X3 450 compatibility with other computer components and devices: 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 configuration1of 8 (Opteron 842)
Power consumption (TDP)95 Wattof 400 (Xeon Platinum 9282)

Memory specs

Types, maximum amount and channel number of RAM supported by Athlon II X3 450's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR3


Specifications and connection types of supported peripherals.

PCIe version2.0of 5 (Core i9-12900K)

Benchmark performance

Single-core and multi-core benchmark results of Athlon II X3 450. Overall benchmark performance 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.

Athlon II X3 450 1.19


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%

Athlon II X3 450 1833

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%

Athlon II X3 450 323

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%

Athlon II X3 450 784

3DMark Fire Strike Physics

Benchmark coverage: 4%

Athlon II X3 450 3410

Gaming performance

Closest competitors

Athlon II X3 450's performance relative to its closest rivals among desktop CPUs.

Athlon II X3 450 100
A6-7480 100

Intel equivalent

According to our data, the closest Intel alternative to Athlon II X3 450 is Core i3-2105, which is nearly equal in speed and higher by 2 positions in our ranking.

Here are some closest Intel rivals to Athlon II X3 450:

Core i3-2100 100.84
Athlon II X3 450 100

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

Recommended GPUs

People consider these graphics cards to be good for Athlon II X3 450, according to our PC configuration statistics.

These are the fastest graphics cards for Athlon II X3 450 in our user configuration statistics. There is a total of 3764 configurations using Athlon II X3 450 in our database.

RTX 4090 GeForce RTX 4090
0.5% (18/3764)
RTX 3090 Ti GeForce RTX 3090 Ti
0.05% (2/3764)
RTX 3080 Ti GeForce RTX 3080 Ti
0.1% (5/3764)
RX 6900 XT Radeon RX 6900 XT
0.1% (4/3764)
RTX 3090 GeForce RTX 3090
0.08% (3/3764)
RX 7800 XT Radeon RX 7800 XT
0.03% (1/3764)
RTX 3070 Ti GeForce RTX 3070 Ti
0.03% (1/3764)
RTX 3070 GeForce RTX 3070
0.03% (1/3764)
RX 6800 Radeon RX 6800
0.03% (1/3764)
RX 7700 XT Radeon RX 7700 XT
0.05% (2/3764)

Community ratings

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.

3.4 277 votes

Rate Athlon II X3 450 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Athlon II X3 450, agree or disagree with our judgements, or report an error or mismatch.