CPU Comparison

A

AMD

AMD

AMD Athlon II X4 651

CORE STATE Llano

CORE SPECS 4 Cores / 4 Threads

CLOCK SPEED 3 Base

CACHE —

MAX TDP 100W

ARCHITECTURE K10

nm

PROCESS 32 nm

LAUNCH DATE 2011

VS

i

Intel

INTEL

Core i7-3820

CORE STATE Sandy Bridge-E

CORE SPECS 4 Cores / 8 Threads

CLOCK SPEED 3.6 Base / 3.8 GHz Turbo

CACHE 10 MB (shared)

MAX TDP 130W

ARCHITECTURE Sandy Bridge

nm

PROCESS 32 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

N/A

495

cinebench_cinebench_r15_singlecore

N/A

69

cinebench_cinebench_r20_multicore

N/A

2,065

cinebench_cinebench_r20_singlecore

N/A

291

cinebench_cinebench_r23_multicore

N/A

4,918

cinebench_cinebench_r23_singlecore

N/A

694

DETAILED SPECIFICATIONS

SPECIFICATION

Athlon II X4 651

i7-3820

Core Specs

Cores

4

4 0.0%

Threads

4

8 +100.0%

Base Clock (GHz)

3

3.6 +20.0%

Boost Clock (GHz)

—

3.8

Frequency (GHz)

3

3.6 +20.0%

Turbo Clock (GHz)

—

3.8

Multiplier

30

36 +20.0%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

128 KB (per core)

64 KB (per core)

L2 Cache

1 MB (per core)

256 KB (per core)

L3 Cache

—

10 MB (shared)

Power

TDP (W)

100

130 +30.0%

Architecture

Architecture

K10

Sandy Bridge

Codename

Llano

Sandy Bridge-E

Generation

Athlon II X4 (Llano)

Core i7 (Sandy Bridge-E)

Process Size

32 nm

32 nm

Transistors

1,178 million

1,270 million

Die Size

228 mm²

294 mm²

Foundry

GlobalFoundries

Intel

Memory

Memory Support

DDR3

DDR3

Memory Bus

Dual-channel

Quad-channel

Memory Bandwidth

—

51.2 GB/s

ECC Memory

No

No

Platform

Socket

AMD Socket FM1

Intel Socket 2011

Chipsets

A75, A55

—

PCIe

Gen 2

Gen 2, 40 Lanes(CPU only)

Other

Market

Desktop

Desktop

Production Status

End-of-life

End-of-life

Launch Price

—

$305

Part Number

AD651XWNZ43GXAD651XWNGXBOX

SR0LD

Package

µPGA

FC-LGA10

Tj Max

70°C

—

View Athlon II X4 651 Details View Core i7-3820 Details