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What makes the AMD Ryzen 5 1600 better than the AMD FX 6300?

pangaea
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AMD Ryzen 5 1600: 6 cores, 3.6ghz

AMD FX-6300: 6 cores, 3.5ghz

On paper they sound pretty similar but in benchmarks the Ryzen does significantly better http://cpu.userbenchmark.com/Compare/AMD-Ryzen-5-1600-vs-AMD-FX-6300/3919vs1555

Why? What is the technical reason why the Ryzen performs better despite appearing to be extremely similar?

Home desktop: AMD FX-6350 CPU, AMD 7950 GPU, 12GB DDR3 RAM, 2x250GB SSD (RAID 0) for main drive, 1TB HDD for extra storage, Windows 10

 

Work desktop: Intel Q8400 core 2 quad CPU, Nvidia GeForce 8400GS Rev 2 GPU, 4GB DDR2 RAM, 120GB SSD for main drive, 250GB HDD for extra storage, Linux Mint 18.3

 

Personal Laptop: Lenovo W540; bought a used workstation laptop on eBay that just needed a hard drive for half of what they were going for in working order at the time. Intel i7 vPro, 16 GB DDR3 RAM, 500GB SSD

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Mainly due to much higher IPC

Desktop specs:

Spoiler

AMD Ryzen 5 5600 Thermalright Peerless Assassin 120 SE ARGB Gigabyte B550M DS3H mATX

Asrock Challenger Pro OC Radeon RX 6700 XT Corsair Vengeance LPX 16GB (8Gx2) 3600MHz CL18 Kingston NV2 1TB PCIe 4.0 NVMe SSD

Montech Century 850W Gold Tecware Nexus Air (Black) ATX Mid Tower

Laptop: Lenovo Ideapad 5 Pro 16ACH6

Phone: Xiaomi Redmi Note 10 Pro 8+128

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higher IPC and a much better core architecture.  

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Intel Core i7 7800X 6C/12T (4.5GHz), Corsair H150i Pro RGB (360mm), Asus Prime X299-A, Corsair Vengeance LPX 32GB (4X4GB & 2X8GB 3000MHz DDR4), MSI GeForce GTX 1070 Gaming X 8G (2.113GHz core & 9.104GHz memory), 1 Samsung 970 Evo Plus 1TB NVMe M.2, 1 Samsung 850 Pro 256GB SSD, 1 Samsung 850 Evo 500GB SSD, 1 WD Red 1TB mechanical drive, Corsair RM750X 80+ Gold fully modular PSU, Corsair Obsidian 750D full tower case, Corsair Glaive RGB mouse, Corsair K70 RGB MK.2 (Cherry MX Red) keyboard, Asus VN247HA (1920x1080 60Hz 16:9), Audio Technica ATH-M20x headphones & Windows 10 Home 64 bit. 

 

 

The time Linus replied to me on one of my threads: 

 

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IPC. 

      __             __
   .-'.'     .-.     '.'-.
 .'.((      ( ^ `>     )).'.
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|-''`.'------' '------'.`''-|
|.-'`.'.'.`/ | | \`.'.'.`'-.|
 \ .' . /  | | | |  \ . '. /
  '._. :  _|_| |_|_  : ._.'
     ````` /T"Y"T\ `````
          / | | | \
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Much higher IPC which means it will perform more instructions in a single go compared to the 6300

Current Network Layout:

Current Build Log/PC:

Prior Build Log/PC:

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Ryzen has a higher instructions per clock throughput due to the following:

  • Each core of the FX series have fewer execution resources than Ryzen
  • Ryzen has a floating point unit per core, as opposed to shared between two cores on FX
  • Ryzen has better optimizations on the front-end for decoding, re-ordering, and branch prediction of instructions.
  • Ryzen can service two threads per core if there's enough spare execution resources. vs. the FX's one per core

I have a blog! And a list of guides I've posted

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IPC- instructions per clock, architecture

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As others have said, Ryzen can perform significantly more work per clock cycle than FX can.

Current Build:

CPU: Ryzen 7 5800X3D

GPU: RTX 3080 Ti FE

RAM: 32GB G.Skill Trident Z CL16 3200 MHz

Mobo: Asus Tuf X570 Plus Wifi

CPU Cooler: NZXT Kraken X53

PSU: EVGA G6 Supernova 850

Case: NZXT S340 Elite

 

Current Laptop:

Model: Asus ROG Zephyrus G14

CPU: Ryzen 9 5900HS

GPU: RTX 3060

RAM: 16GB @3200 MHz

 

Old PC:

CPU: Intel i7 8700K @4.9 GHz/1.315v

RAM: 32GB G.Skill Trident Z CL16 3200 MHz

Mobo: Asus Prime Z370-A

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Far higher Instructions per clock cycle, architectural improvements, extra resources on the die (less shared out bits compared to the FX series) 

 

a much more efficient CPU basically.

My PC (Known as TRX):

—CPU: TR 1900X

—Ram: 16GB Corsair Dom Plats "ROG Edition"

—Graphics: GTX 1080 Ti FTW3

—Motherboard: Asrock X399 Taichi

—Storage: 512GB Sabrent Rocket, 2.5TBs HDD

—CPU Cooling: Cooler Master ML360 TR4 RGB Edition

—Case: Cooler Master Cosmos C700P

—PSU: Corsair AX860

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