AMD Phenom II X4 820

AMD Phenom II X4 820
Benchmarks & Specs

Last updated:
The AMD Phenom II X4 820 was truly a remarkable processor in its time. It was based on AMD's advanced Deneb architecture. It was manufactured using the then-modern 45-nanometer process. This represented a significant step in manufacturing technology. As a true quad-core processor, it offered solid multitasking capabilities.

You could easily run multiple applications simultaneously. There was hardly any noticeable loss of performance. This was a noticeable improvement in everyday life for many users. Also noteworthy is the generously sized 4 MB Level 3 Cache. This cache noticeably accelerated data access and thus supported overall system performance very effectively.

We remember that this processor formed a reliable basis for many computer systems. It was often a reasonable choice for a variety of everyday tasks. Even with somewhat more demanding applications, the AMD Phenom II X4 820 showed its strengths. It was known for its remarkable stability. Many systems equipped with it ran very reliably for a long time.

Its well-thought-out design ensured balanced overall performance. You could always rely on the consistency of this processor. This contributed to its popularity among users.
  • Deneb Architecture and 45nm Manufacturing
  • Solid Quad-Core Performance
  • 4 MB Level 3 Cache
  • High System Stability

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank ? / ?
In segment Desktop
Multi-core performance
Rank ? / ?
In segment Desktop
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

AMD A8-3850
AMD A8-3850 101 %
4C / 4T · 2.90 GHz
363
AMD Athlon II X4 631
4C / 4T · 2.60 GHz
363
AMD Phenom II X4 820
4C / 4T · 2.80 GHz
361
AMD Athlon II X4 630
4C / 4T · 2.80 GHz
360
AMD Athlon II X3 435
3C / 3T · 2.90 GHz
360
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Pentium G3250T
2C / 2T · 2.80 GHz
1,194
Intel Pentium G3440T
2C / 2T · 2.80 GHz
1,194
AMD Phenom II X4 820
4C / 4T · 2.80 GHz
1,177
Intel Core i3-550
2C / 4T · 3.20 GHz
1,170
Intel Core 2 Quad Q9400
4C / 4T · 2.66 GHz
1,163
Cinebench R15 (Single-Core)

Cinebench R15 (Single-Core)
Single-core performance

Intel Xeon Bronze 3104
6C / 6T · 1.70 GHz
75 cb
Intel Xeon Bronze 3106
8C / 8T · 1.70 GHz
75 cb
AMD Phenom II X4 820
4C / 4T · 2.80 GHz
74 cb
Intel Xeon E5-2609 v3
6C / 6T · 1.90 GHz
73 cb
AMD FX-6100
6C / 6T · 3.90 GHz
73 cb
Cinebench R15 (Multi-Core)

Cinebench R15 (Multi-Core)
Multi-core performance

Intel Celeron G5905
2C / 2T · 3.50 GHz
287 cb
Intel Core i3-4130T
2C / 4T · 2.90 GHz
285 cb
AMD Phenom II X4 820
4C / 4T · 2.80 GHz
284 cb
AMD Athlon II X4 760K
4C / 4T · 4.10 GHz
283 cb
AMD Athlon X4 835
4C / 4T · 3.40 GHz
283 cb

More benchmarks

At a glance

PropertyValue
FamilyAMD Phenom II (52)
CPU groupAMD Phenom II - 800/900 (23)
ArchitectureDeneb (K10)
Technology45 nm
SegmentDesktop
SocketAM3
Generation4
Predecessor
Successor

CPU Cores and Base Frequency

PropertyValue
CPU Cores / Threads4 / 4
Hyperthreading / SMT
Core architecturenormal
Cores: 4x
Frequency: 2.80 GHz
Turbo Frequency (1 Core):
Turbo Frequency (4 Cores):
L2-Cache
L3-Cache4.00 MB
OverclockingYes

Memory & PCIe

Memory typeMemory bandwidth
DDR3-1333
DDR2-1066
21.3 GB/s
17.1 GB/s
PropertyValue
Max. Memory
Memory channels2
ECC
PCIe
PCIe Bandwidth

Thermal Management

PropertyValue
TDP95 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

PropertyValue
Chip design
AES-NI
Operating systemsWindows 10, Linux
Instruction setx86-64 (64 bit)
ISA extensionsSSE3, SSE4a
Release dateQ3/2009
Release price
Documents
AMD Phenom II X4 820
AMD Phenom II X4 820
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