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Steamroller µarch
General Info
Arch Type	CPU
Designer	AMD
Manufacturer	AMD
Introduction	January 14, 2014
Process	28 nm
Core Configs	2, 4
Instructions
ISA	x86-64
Succession
Bulldozer Piledriver Excavator Zen

Steamroller was the microarchitecture developed by AMD as a successor to Piledriver.

In 2015, Excavator superseded Steamroller.

Architecture

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All Steamroller Chips

Steamroller Chips
Model	Family	Core	Launched	Power Dissipation	Freq	Max Mem
Count: 0

Buldozer (Steamroller) Family

Architecture	Process (nm)	Family	Release date	Code name	Model group	Cores	Clock rate (MHz)
Bulldozer (x86-64)	32 nm	Bulldozer	Oct 2011	Zambezi	FX-4100 series (4100, 4120, 4130, 4150, 4170)	4	3600–4200 (3700–4300 boost)
					FX-6100 series (6100, 6120, 6130, 6200)	6	3300–3800 (3600–4200 boost)
					FX-8100 series (8100, 8120, 8140, 8150, 8170)	8	2800–3900 (3100–4500 boost)
			Mar 2012	Zurich	Opteron 3200 series (3250HE, 3260HE, 3280)	4/8	2400–2700 (2700–3700 boost)
			Nov 2011	Valencia	Opteron 4200 series (42DX, 42MX, 4226, 4228HE, 4230HE, 4234, 4238, 4240, 4256EE, 4274HE, 4276HE, 4280, 4284)	4/6/8	1600–3400 (1900–3800 boost)
				Interlagos	Opteron 6200 series (6204, 6212, 6220, 6230HE, 6234, 6238, 6262HE, 6272, 6274, 6276, 6278, 6282SE, 6284SE)	4/8/12/16	1600–3300 (2100–3600 boost)
		Piledriver		Trinity	Sempron X2 240, Athlon X2 340, Athlon X4 740, Athlon X4 750K, FirePro A300, FirePro A320	2/4	1600–3800 (2400–4200 boost)
				Richland	Sempron X2 250, Athlon X2 350, Athlon X2 370K, Athlon X2 750, Athlon X2 760K	2/4	1700–4100 (2600–4400 boost)
			Oct 2012	Vishera	FX-4300 series (4300, 4320, 4350)	4	3800–4200 (4000–4300 boost)
					FX-6300 series (6300, 6350)	6	3500–3900 (4100–4200 boost)
					FX-8300 series (8300, 8310, 8320, 8320E, 8350, 8370, 8370E, 9370, 9590)	8	3300–4700 (4000–5000 boost)
			Dec 2012	Delhi	Opteron 3300 series (3320EE, 3350HE, 3365, 3380)	4/8	1900–2800 (2100–3800 boost)
				Seoul	Opteron 4300 series (43CXEE, 43GKHE, 4310EE, 4332HE, 4334, 4340, 4365EE, 4376HE, 4386)	4/6/8	2000–3500 (2300–3800 boost)
			Nov 2012	Abu Dhabi	Opteron 6300 series (6308, 6320, 6328, 6338P, 6344, 6348, 6366HE, 6370P, 6376, 6378, 6380, 6386SE)	4/8/12/16	1800–3500 (2300–3800 boost)
	28 nm	Steamroller	Jan 2014	Kaveri	Athlon X2 450, Athlon X4 840, Athlon X4 860K, Athlon X4 870K, Athlon X4 880K, FX-770K, FX-7500, FX-7600P, A4Pro-7350B, A6-7000, A6Pro-7050B, A6-7400K, A6Pro-7400B, A6-7470K, A8-7100, A8Pro-7150B, A8-7200P, A8-7600, A8Pro-7600B, A8-7650K, A8-7670K, A10-7300, A10Pro-7350B, A10-7400P, A10-7700K, A10-7800, A10Pro-7800B, A10-7850K, A10-7850B, A10-7860K, A10-7870K, A10-7890K	2/4	1800–4100 (3000–4300 boost)
		Excavator	Jan 2015	Carrizo (Bolton)	Athlon X4 835, Athlon X4 845, A6-8500P, A6Pro-8500B, FX-8800P, A8-7680, A8-8600P, A8Pro-8600B, A10-8700P, A10Pro-8700B, A10-8780P, A12Pro-8800B	2/4	1600–3500 (3000–3800 boost)
			Jan 2016	Bristol Ridge (A6) Stoney Ridge (A4)	Athlon X4 940, Athlon X4 950, Athlon X4 970, FX-9800P, FX-9830P, A4-9120C (Stoney), A6-9220C (Bristol), A6-9500, A6Pro-9500, A6Pro-9500B, A6-9500E, A6Pro-9500E, A6-9550, A8-9600, A8Pro-9600, A8Pro-9600B, A8Pro-9630B, A10-9600P, A10-9620P, A10-9630P, A10-9700, A10Pro-9700, A10Pro-9700B, A10-9700E, A10Pro-9700E, A10Pro-9730B, A12-9700P, A12-9720P, A12-9730P, A12-9800, A12Pro-9800, A12Pro-9800B, A12-9800E, A12Pro-9800E, A12Pro-9830B	2/4	2300–3800 (3200–4200 boost)

Die Shot

This section is empty; you can help add the missing info by editing this page.

See also

• AMD • Microarchitectures
• Intel • Broadwell