AMD A8 3850 

Released June, 2011
  • 2.9 GHz
  • Quad core
7.7 Out of 10

The AMD A8-3800 and A8-3850 will have AMD Radeon HD 6550D GPUs inside the APU that have 400 Radeon cores and a clock speed of 600MHz.
by Legit Reviews (Jun, 2011)
The AMD retail boxed CPU cooler was used for overclocking, so we'd expect this overclock to be easily reached by anyone!
by Legit Reviews (Jun, 2011)

CPUBoss Review Our evaluation of the AMD A8 3850 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

A8 3850
4.5
A8 3870K
5.1
FX 6300
6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

A8 3850
5.1
A8 3870K
5.2
FX 6300
6.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

A8 3850
7.2
A8 3870K
7.3
FX 6300
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

A8 3850
7.0
A8 3870K
7.3
FX 6300
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

A8 3850
7.5
A8 3870K
7.7
FX 6300
6.0
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

A8 3850
n.d.
A8 3870K
n.d.
FX 6300
6.5
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

7.7

CPUBoss Score

Combination of all six facets

A8 3850
7.7
A8 3870K
7.9
FX 6300
5.8

Benchmarks Real world tests of the AMD A8 3850

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

A8 3850
43.84 mHash/s
A8 3870K
46.8 mHash/s
FX 6300
n.d.

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

A8 3850
0.57 fps
A8 3870K
0.62 fps
FX 6300
n.d.

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A8 3850
2,056
A8 3870K
2,346
FX 6300
n.d.

Sky Diver Data courtesy FutureMark

A8 3850
2,425
A8 3870K
2,532
FX 6300
n.d.

Cloud Gate Data courtesy FutureMark

A8 3850
4,576
A8 3870K
4,726
FX 6300
n.d.

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 3850
5,262
FX 6300
7,871
A8 3870K
5,602

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 3850
1,517
FX 6300
2,053
A8 3870K
1,597

GeekBench 3 (AES single core) Data courtesy Primate Labs

A8 3850
121,450 MB/s
FX 6300
2,290,000 MB/s
A8 3870K
126,200 MB/s

Reviews Word on the street for the AMD A8 3850


8.0
A sampling: In 3DMark 11, scores of 1,697 and 1,028 at the Entry and Performance presets respectively rose to 1,887 and 1,134; and H.A.W.X. 2 soared to 58fps and 54fps at 1,024 by 768 and 1,280 by 1,024, respectively.

9.0
In pure CPU performance terms you can see just how much better the AMD A8-3850's four real cores are compared with the Intel Core i3 2100's twin, Hyperthreaded cores.

Overall

8.9 Out of 10

What People Are Saying Give it to me straight

Socket Type

The AMD A8-3850 clearly uses more power at load than the Intel Core i3-2105, but as you saw in the benchmarks the AMD A8-3850 also had slightly better performance across the board.
by Legit Reviews (Jun, 2011)
The AMD A8-3850 APU has a subscore of 7.3, which is very impressive for a $135 processor!
by Legit Reviews (Jun, 2011)
We also ran HyperPi to 1M places and got a score of 22.601 seconds, which is 11% faster than the default score of 22.601 seconds.
by Legit Reviews (Jun, 2011)

Socket

Benchmark Results: PCMark 7 favors the Intel system as the Core i3-2105 processor had an overall score of 4160 versus an overall score of 3575 on the AMD A8-3850 APU.
by Legit Reviews (Jun, 2011)
The A8-3850 has a 2.9GHz quad-core CPU, 600MHz GPU w/ 400 Radeon cores, 4MB of L2 cache and a 100W TDP.
by Legit Reviews (Aug, 2011)
We also posted a review on the ASUS F1A75-M Pro motherboard today, so be sure to read it here if you'd like to know more about these boards.
by Legit Reviews (Jun, 2011)

Performance

With the gaming benchmarks it quickly becomes obvious just how much of a benefit the AMD Dual Graphics functionality is compared to the still rather impressive stock speeds.
by Tech Radar (Jun, 2011)
Technical specifications and impressive engineering feats are all well and good, AMD has always been pretty good at creating decent technical achievements, but not so hot at delivering performance product.
by Tech Radar (Jun, 2011)
The AMD A8-3850 was able to perform better in the Sandra Cryptography benchmark.
by Legit Reviews (Jun, 2011)

Gpu

Second, the APU lets you access AMD's new Dual Graphics technology to "combine" the power of a discrete GPU with the integrated graphics; this only works if your system is configured correctly on both the software (you'll need the AMD Vision Engine Control Center running) and hardware (the video card must be relatively low-end, and if you're only using one DIMM of memory, the whole thing might not work) sides, so be sure your PC meets all the requirements before trying it out.
by PCMag (Jun, 2011)
It's an Accelerated Processing Unit, essentially that means it's a combo chip combining both traditional CPU and GPU parts in one die.
by Tech Radar (Jun, 2011)
First, if you have a discrete GPU installed, the APU will by default function as the boot-up video adapter, meaning any displays connected to a video card won't work until Windows loads the proper video drivers.
by PCMag (Jun, 2011)

Multicore

AMD's focus however is far more based upon jamming discrete class graphics into the same component as a decent quad-core processing part.
by Tech Radar (Jun, 2011)
That marriage was not fully consummated until this year, and Intel's January release of its mainstream second-generation Core (aka "Sandy Bridge") chips meant AMD's competitor brought together CPU and GPU functionality within a single die first (but just barely).
by PCMag (Jun, 2011)
Results: The Intel Core i3-2105 'Sandy Bridge' processor was able to perform better than the AMD A8-3850 'Llano' processor in the Processor Multimedia benchmark.
by Legit Reviews (Jun, 2011)

Specifications Full list of technical specs

summary

Clock speed 2.9 GHz
Turbo clock speed None
Cores Quad core
Is unlocked No

features

Has a NX bit Yes
Has virtualization support Yes
Instruction set extensions
  1. 3DNow!
  2. AMD-V
  3. AMD64
  4. MMX
  5. SSE
  6. SSE2
  7. SSE3
  8. SSE4a
Supports dynamic frequency scaling Yes

integrated graphics

GPU GPU
Label Radeon™ HD 6550D
Latest DirectX 11.0
GPU clock speed 600 MHz

memory controller

Memory controller Built-in
Memory type DDR3-1866

details

Architecture x86-64
Threads 4 threads
L2 cache 4 MB
L2 cache per core 1 MB/core
L3 cache 1 MB
L3 cache per core 0.25 MB/core
Manufacture process 32 nm
Transistor count 1,178,000,000
Max CPUs 1
Die size 228 mm²
Voltage range 0.91 - 1.41V
Operating temperature Unknown - 72.7°C

overclocking

Overclock popularity 25
Overclocked clock speed 3.54 GHz
Overclocked clock speed (Water) 2.9 GHz
PassMark (Overclocked) 2,465.8
Overclocked clock speed (Air) 3.54 GHz

power consumption

TDP 100W
Annual home energy cost 37.95 $/year
Annual commercial energy cost 107.75 $/year
Performance per watt 1.78 pt/W
Idle power consumption 62.4W
Peak power consumption 123W
Typical power consumption 107.85W
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