AMD Phenom II X2 521

Specifications Benchmarks Synonyms

Specifications

Technical data

Legacy catalog specifications; the original verification date is not recorded.

CPU generation and family

CPU group
AMD Phenom II - 500
Family
AMD Phenom II
Generation
1
Name
AMD Phenom II X2 521
Predecessor
—
Segment
Desktop / Server
Successor
—

CPU Cores and Base Frequency

A-Core
—
B-Core
—
Base Frequency
3.5 GHz
C-Core
—
Core architecture
normal
CPU Cores
2
CPU Threads
2
Hyperthreading / SMT
No
Overclocking
Yes
Turbo Frequency (1 Core)
No turbo
Turbo Frequency (2 Cores)
No turbo

Internal Graphics

DirectX Version
—
Execution units
—
Generation
—
GPU Frequency
—
GPU name
no iGPU
GPU Turbo
No turbo
Max. displays
—
Max. GPU Memory
—
Release date
—
Shader
—
Technology
—

Hardware codec support

AV1
No
H.264 / AVC
No
h265 / HEVC (8 bit)
No
h265 / HEVC (10 bit)
No
JPEG
No
VC-1
No
VP8
No
VP9
No

Memory & PCIe

ECC
No
Max. Memory
—
Memory channels
2
Memory type
DDR2-1066
PCIe lanes
—
PCIe version
—

Encryption

AES-NI
No

Thermal Management

Maximum Operating Temperature
—
TDP (PL1, legacy label)
65 W
TDP (PL2)
—
TDP down
—
TDP up
—

Technical details

Architecture
Regor (K10)
Instruction set (ISA)
x86-64 (64 bit)
ISA extensions
SSE3, SSE4a
L2-Cache
—
L3-Cache
2.00 MB
Part Number
—
Release date
Q2/2011
Socket
AM3
Technology
45 nm
Virtualization
AMD-V

Positions in all rankings

Common positions AMD Phenom II X2 521 CPU in popular benchmarks, for comparison with other models.

Cinebench R15 (Single-Core)

803 place
Cinebench R15 (Multi-Core)

907 place
Geekbench 3, 64bit (Single-Core)

655 place
Geekbench 3, 64bit (Multi-Core)

729 place
Cinebench R11.5, 64bit (Single-Core)

547 place
Cinebench R11.5, 64bit (Multi-Core)

655 place
Estimated results for PassMark CPU Mark

998 place

Benchmarks

Performance tests CPU

Compare the scores of popular benchmarks AMD Phenom II X2 521 with other processors to understand the real speed of the CPU when processing content.

Tests include mathematical calculations, creation of 3D models, cryptocurrency mining, tests in single and multi-core modes.

These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.

Cinebench R15 (Single-Core)

The Cinebench R15 SC stresses the computing modules of a desktop or laptop computer to their limits and accurately determines the key performance parameters of the hardware

Higher values are better in this metric.

AMD Phenom II X2 521

AMD Athlon X4 845

AMD Phenom II X6 1100T

All the benchmark results

Cinebench R15 (Multi-Core)

The Cinebench R15 MC stresses the computing modules of a desktop or laptop computer to their limits and accurately determines the key performance parameters of the hardware

Higher values are better in this metric.

177

AMD Phenom II X2 521

182

AMD Phenom II X3 700e

181

Intel Celeron J3455

All the benchmark results

Geekbench 3, 64bit (Single-Core)

Geekbench 3 SC for one CPU core, includes stress tests simulating real 3D scenarios for Windows, Mac, Linux, Ansroid, iOS

Higher values are better in this metric.

1888

AMD Phenom II X2 521

1892

AMD A10-5700

1892

Intel Celeron 3765U

Geekbench 3, 64bit (Multi-Core)

Geekbench 3 MC using a multi-core and hyperthreading, includes stress tests simulating real 3D scenarios for Windows, Mac, Linux, Ansroid, iOS

Higher values are better in this metric.

3480

AMD Phenom II X2 521

3515

Intel Core M-5Y10a

3515

Intel Core M-5Y10c

Cinebench R11.5, 64bit (Single-Core)

The PC CPU and GPU test involves rendering a specific 3D scene in single-core mode, based on CINEMA 4D

Higher values are better in this metric.

1.06

AMD Phenom II X2 521

1.07

AMD FX-6300

1.07

Intel Core i3-4000M

Cinebench R11.5, 64bit (Multi-Core)

The PC CPU and GPU test involves rendering a specific 3D scene in multi-core mode and hyperthreading, based on CINEMA 4D

Higher values are better in this metric.

2.08

AMD Phenom II X2 521

2.14

AMD Phenom II X3 700e

2.09

Intel Celeron G1630

Estimated results for PassMark CPU Mark

PassMark is a test suite that performs complex mathematical calculations to determine CPU performance on file compression, encryption and physics-related tasks

Higher values are better in this metric.

2253

AMD Phenom II X2 521

2270

Intel Celeron N4100

2268

Intel Celeron 1020E

All the benchmark results

Comparable benchmark results are required to suggest performance alternatives.

PL1 is the sustained processor power limit; PL2 is the short-term turbo power limit. They are not measured performance or efficiency.

The values are used to select the optimal cooling system and power supply.

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AMD Phenom II X2 521