AMD A8-3820
Intel Core i7-3770K
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AMD A8-3820 vs Intel Core i7-3770K. Specifications, performance, tests

User rating
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Released
Q4/2011
AMD A8-3820
AMD A8-3820
Released
Q2/2012
User rating
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Intel Core i7-3770K
Intel Core i7-3770K

What's the best choice AMD A8-3820 or Intel Core i7-3770K? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

AMD A8-3820 has a base frequency of 2.50 GHz. 4 CPU Cores / Threads. Stated TDP / base power 65 W. Released in Q4/2011.

Intel Core i7-3770K has a base frequency of 3.50 GHz. 4 CPU Cores / Threads. Stated TDP / base power 77 W. Released in Q2/2012.

Differences

AMD A8-3820 Reasons to consider
AMD A8-3820
Report a bug
  • Lower stated TDP / base power

    Power limits alone do not measure performance per watt.

    65 W left arrow 77 W

Positions in all rankings

Common positions AMD A8-3820 CPU in popular benchmarks, for comparison with other models.

  • iGPU - FP32 Performance (Single-precision GFLOPS)
    577 place
  • Geekbench 3, 64bit (Single-Core)
    771 place
  • Geekbench 3, 64bit (Multi-Core)
    631 place
  • Cinebench R11.5, 64bit (Multi-Core)
    546 place
  • Estimated results for PassMark CPU Mark
    880 place
  • Higher clock speed

    Around 40% better clock speed

    3.50 GHz left arrow 2.50 GHz
  • Higher turbo clock speed

    Around 39 % higher specified turbo frequency

    3.90 GHz left arrow 2.80 GHz

Positions in all rankings

Common positions Intel Core i7-3770K CPU in popular benchmarks, for comparison with other models.

  • Cinebench R20 (Single-Core)
    433 place
  • Cinebench R20 (Multi-Core)
    333 place
  • Cinebench R15 (Single-Core)
    533 place
  • Cinebench R15 (Multi-Core)
    434 place
  • Geekbench 5, 64bit (Single-Core)
    545 place
  • Geekbench 5, 64bit (Multi-Core)
    514 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    1109 place
  • Blender 2.81 (bmw27)
    128 place
  • Geekbench 3, 64bit (Single-Core)
    235 place
  • Geekbench 3, 64bit (Multi-Core)
    235 place
  • Cinebench R11.5, 64bit (Single-Core)
    284 place
  • Cinebench R11.5, 64bit (Multi-Core)
    257 place
  • Cinebench R11.5, 64bit (iGPU, OpenGL)
    307 place
  • Estimated results for PassMark CPU Mark
    407 place

Specifications

Technical data
AMD A8-3820 AMD A8-3820
Intel Core i7-3770K Intel Core i7-3770K
CPU family and group

Background information about the processors being compared, series, generation and market segment.

  • CPU group
    AMD A8-3000 left arrow Intel Core i 3000
  • Family
    AMD A left arrow Intel Core i7
  • Generation
    1 left arrow 3
  • Segment
    Desktop / Server left arrow Desktop / Server
CPU Technical specs

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

  • Base Frequency
    2.5 GHz left arrow 3.5 GHz
  • Core architecture
    normal left arrow normal
  • CPU Cores
    4 left arrow 4
  • CPU Threads
    4 left arrow 8
  • Hyperthreading / SMT
    No left arrow Yes
  • Overclocking
    Yes left arrow Yes
  • Turbo Frequency (1 Core)
    2.8 GHz left arrow 3.9 GHz
  • Turbo Frequency (4 Cores)
    2.8 GHz left arrow 3.9 GHz
IGPU

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

  • DirectX Version
    11 left arrow 11.0
  • Execution units
    5 left arrow 16
  • Generation
    3 left arrow 7
  • GPU Frequency
    600 MHz left arrow 650 MHz
  • GPU name
    AMD Radeon HD 6550D left arrow Intel HD Graphics 4000
  • GPU Turbo
    No turbo left arrow 1150 MHz
  • Max. displays
    2 left arrow 3
  • Max. GPU Memory
    1 GB left arrow -
  • Release date
    Q2/2011 left arrow Q1/2011
  • Shader
    400 left arrow 128
  • Technology
    32 nm left arrow 22 nm
Hardware codec support

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

  • AV1
    No left arrow No
  • H.264 / AVC
    Decode left arrow Decode / Encode
  • h265 / HEVC (8 bit)
    No left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • JPEG
    Decode / Encode left arrow Decode
  • VC-1
    Decode left arrow Decode
  • VP8
    No left arrow No
  • VP9
    No left arrow No
Memory specs & PCI

Types, channel quantity of RAM supported by Intel Core i7-3770K and AMD A8-3820. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • ECC
    No left arrow No
  • Max. Memory
    - left arrow 32 GB
  • Memory channels
    2 left arrow 2
  • Memory type
    DDR3-1600 left arrow DDR3-1600
  • PCIe lanes
    - left arrow 16
  • PCIe version
    - left arrow 3.0
Encryption
  • AES-NI
    No left arrow Yes
Thermal Management

Compare the TDP requirements of TDP AMD A8-3820 and Intel Core i7-3770K Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

  • TDP (PL1, legacy label)
    65 W left arrow 77 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD A8-3820 and Intel Core i7-3770K, virtual machine technologies and process technology.

  • Architecture
    Llano (K10) left arrow Ivy Bridge S
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE3, SSE4a left arrow SSE4.1, SSE4.2, AVX
  • L3-Cache
    4 MB left arrow 8 MB
  • Release date
    Q4/2011 left arrow Q2/2012
  • Socket
    FM1 left arrow LGA 1155
  • Technology
    32 nm left arrow 22 nm
  • Virtualization
    AMD-V left arrow VT-x, VT-x EPT, VT-d

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between AMD A8-3820 and Intel Core i7-3770K.

Compare the synthetic test values and choose the best processor!

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

Recent models: test results with identified primary sources — Cinebench R23 · Cinebench R20 · Cinebench R15 · Cinebench 2026 · RandomX benchmark

iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games

Higher values are better in this metric.

480.000000
AMD A8-3820
294.000000
Intel Core i7-3770K
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.

1346.000000
AMD A8-3820
3782.000000
Intel Core i7-3770K
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.

4852.000000
AMD A8-3820
14944.000000
Intel Core i7-3770K
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.

3.030000
AMD A8-3820
7.610000
Intel Core i7-3770K
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.

3211.000000
AMD A8-3820
9632.000000
Intel Core i7-3770K

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