Athlon 64 X2 3800+

Details and Benchmarks for AMD Athlon 64 X2 3800+

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Athlon 64 X2 3800+ based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

3,985 Rank: 1906
Rank Name Score Visual
1902 Pentium 987 3,988
+0.1%
1903 Celeron N3010 3,986
+0%
1904 Athlon 64 X2 4400+ 3,986
+0%
1905 A6-4455M 3,985
+0%
1906 Athlon 64 X2 3800+ 3,985
1907 Core 2 Duo T7200 3,984
+-0%
1908 E2-9000e 3,981
-0.1%
1909 Core i3-2367M 3,980
-0.1%
1910 Phenom X3 8650 3,979
-0.2%
1911 Intel Core i3-330UM 3,977
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Athlon 64 X2 3800+ based on multi-threaded benchmark results.

4,255 Rank: 1891
Rank Name Score Visual
1887 Intel Celeron J3160 4,256
+0%
1888 Athlon II X3 450 4,256
+0%
1889 Celeron N2805 4,256
+0%
1890 Athlon II X2 250u 4,255
+0%
1891 Athlon 64 X2 3800+ 4,255
1892 Sempron 145 4,254
+-0%
1893 Celeron 900 4,254
+-0%
1894 Intel Core i5-470UM 4,253
+-0%
1895 Celeron 877 4,253
+-0%
1896 Core 2 Duo T8100 4,253
+-0%

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Singlecore Score

Single-core performance score for Athlon 64 X2 3800+ based on single-threaded benchmark results.

3,805 Rank: 1886
Rank Name Score Visual
1882 A6-3400M 3,809
+0.1%
1883 A6-4455M 3,809
+0.1%
1884 Core i3-2377M 3,807
+0.1%
1885 Celeron J3455 3,806
+0%
1886 Athlon 64 X2 3800+ 3,805
1887 Core i3-2357M 3,804
+-0%
1888 A8-3500M 3,802
-0.1%
1889 Atom C3338 3,801
-0.1%
1890 A10-4655M 3,799
-0.2%
1891 Atom C3538 3,796
-0.2%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Athlon 64 X2 3800+ based on integer math, floating point math, and prime number computation benchmarks.

-- Rank: --

Number Crunching score not yet available.

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Data Processing

Aggregated score for Athlon 64 X2 3800+ based on data encryption, data compression, and string sorting benchmarks.

-- Rank: --

Data Processing score not yet available.

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Physics & Compute

Aggregated score for Athlon 64 X2 3800+ based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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Athlon 64 X2 3800+ Details

As of March 2026, the AMD Athlon 64 X2 3800+ stands as a relic of early dual-core computing, representing a significant step in AMD's transition from single-core to multi-core desktop processors. Launched in August 2005, this processor belongs to the Athlon 64 X2 family, built on the Toledo microarchitecture and fabricated on a 90 nm process. Despite its age, the Athlon 64 X2 3800+ remains notable for its role in bringing dual-core performance to mainstream desktops, leveraging the Socket AM2 platform. With a base clock of 2.0 GHz and a 10x multiplier, the processor delivers a balanced performance profile for its time, though it is now far behind modern offerings in every category.

The Athlon 64 X2 3800+ features two cores based on the Windsor design, each equipped with 512 KB of L2 cache, totaling 1 MiB. It operates on a dual-channel DDR1 memory interface, supporting speeds up to 400 MT/s, and achieves a memory bandwidth of 6400 MB/s. The chip is packaged in a µPGA socket, with a TDP of 89 W, indicating relatively high power consumption for its era. The processor supports a range of chipsets, including NVIDIA nForce 3 and 4, ATI Xpress, and VIA K8T series, allowing for various motherboard configurations. Notably, while the CPU itself does not include integrated graphics, certain chipsets provided this capability, enabling basic graphics without a discrete GPU.

In terms of features, the Athlon 64 X2 3800+ supports a wide array of instruction sets, including MMX, SSE, SSE2, SSE3, 3DNow!, and AMD-V, offering robust multimedia and virtualization capabilities for its time. However, it lacks support for newer instruction sets like AVX, and its single-threaded performance is limited by the 2005-era design. The processor also features a locked multiplier, restricting overclocking potential, and does not support ECC memory.

Benchmarking reveals the processor's position in a modern context. It achieves an Overall Score of 3985, placing it at #1905 out of 2060 CPUs, with a Singlecore Score of 3805 (#1886) and a Multicore Score of 4255 (#1890). These results show that while the processor performs competitively with some low-end modern CPUs, such as the Celeron J3455 and Core i3-2377M, it falls significantly short of contemporary standards. Its multicore performance is stronger than its single-core performance, indicating that its dual-core design provides a relative advantage in multi-threaded workloads, though this is still negligible compared to modern multi-core processors.

In conclusion, the Athlon 64 X2 3800+ is best suited for retro computing, vintage system upgrades, or educational purposes. Its performance is obsolete by today's standards, but it remains a historical milestone in the evolution of desktop processors. For users seeking modern performance, even entry-level CPUs from the past five years outperform it significantly. The processor's legacy lies in its role as one of the first mainstream dual-core solutions, paving the way for the multi-core dominance seen in today's computing landscape.
Frequently Compared

Intel Core i7-3820QM 5 views

AMD Ryzen 5 3500X 5 views

AMD Ryzen Threadripper 2990WX 4 views

AMD Ryzen 7 2700 4 views

AMD Ryzen 5 3600 3 views

AMD Phenom II X2 555 3 views

AMD Phenom II X2 560 2 views

AMD A10-4600M 2 views

AMD Phenom 9650 2 views

Intel Core 2 Duo E8600 2 views

AMD Athlon 64 X2 3800+

Main Specifications

Designer: AMD
Name: Athlon 64 X2 3800+
Cores: 2
Threads: 2
Base Frequency: 2000 MHz
Clock Multiplier: 10x (locked)
Core Name: Windsor
Socket: Socket AM2
Package: µPGA
Target Segment: Desktop
TDP: 89 W

Cache Specifications

L1 Cache: 124.928 KiB
L2 Cache: 0.488 MiB

Memory Specifications

Supported Memory Type: DDR1

Physical Specifications

Process: 90 nm
Die Area: 220 mm²
Transistor Count: 0.00 billion

CPU Features

MMX SSE SSE2 SSE3 AMD-V 3DNow!
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