CPU Comparison

A

AMD

AMD

AMD A8-3870K

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 i7-3820QM

CORE STATE Ivy Bridge

CORE SPECS 4 Cores / 8 Threads

CLOCK SPEED 2.7 Base / 3.7 GHz Turbo

CACHE 8 MB (shared)

MAX TDP 45W

ARCHITECTURE Ivy Bridge

nm

PROCESS 22 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

N/A

480

cinebench_cinebench_r15_singlecore

N/A

67

cinebench_cinebench_r20_multicore

N/A

2,000

cinebench_cinebench_r20_singlecore

N/A

282

cinebench_cinebench_r23_multicore

N/A

4,763

cinebench_cinebench_r23_singlecore

N/A

672

geekbench_multicore

N/A

2,041

geekbench_singlecore

N/A

601

DETAILED SPECIFICATIONS

SPECIFICATION

A8-3870K

i7-3820QM

Core Specs

Cores

4

4 0.0%

Threads

4

8 +100.0%

Base Clock (GHz)

3

2.7 -10.0%

Boost Clock (GHz)

—

3.7

Frequency (GHz)

3

2.7 -10.0%

Turbo Clock (GHz)

—

3.7

Multiplier

30

27 -10.0%

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

—

8 MB (shared)

Power

TDP (W)

100

45 -55.0%

Architecture

Architecture

K10

Ivy Bridge

Codename

Llano

Ivy Bridge

Generation

A8 (Llano)

Core i7 (Ivy Bridge)

Process Size

32 nm

22 nm

Transistors

1,178 million

1,400 million

Die Size

228 mm²

160 mm²

Foundry

GlobalFoundries

Intel

Memory

Memory Support

DDR3

—

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

29.9 GB/s

—

ECC Memory

No

No

Platform

Socket

AMD Socket FM1

Intel BGA 1224

Chipsets

A75, A55

—

Graphics

Integrated Graphics

Radeon HD 6550D

Intel HD 4000

Other

Market

Desktop

Mobile

Production Status

End-of-life

—

Part Number

AD3870WNZ43GXAD3870WNGXBOX

SR0MK

Package

µPGA

FC-BGA12F

View A8-3870K Details View Core i7-3820QM Details