Asus Radeon HD 4890 - Hardware museum

	Medion Radeon 9600 TX	Asus Radeon HD 3870	Asus Radeon HD 4830	Asus Radeon HD 4890
GPU type	R300	RV670	RV770	RV790
Manufacturing process	150 nm	55 nm	55 nm	55 nm
Transistors	107 million	666 million	956 million	959 million
Die size	218 mm²	192 mm²	256 mm²	282 mm²
ROPs	8	16	16	16
TMUs	8	16	32	40
PS / VS \| Unified Shaders	8 / 4 \| 0	0 / 0 \| 320	0 / 0 \| 640	0 / 0 \| 800
GPU clock	300 MHz	775 MHz	575 MHz	850 MHz
Pixel / texel fillrate	2 400 MP/s ; 2 400 MT/s	12 400 MP/s ; 12 400 MT/s	9 200 MP/s ; 18 400 MT/s	13 600 MP/s ; 34 000 MT/s
SP / DP gigaflops	- ; -	497 ; 99	736 ; 147	1 360 ; 272
DirectX / OpenGL	9 ; 2.0	10.1 ; 3.3	10.1 ; 3.3	10.1 ; 3.3
Compute ver. / OpenCL	- ; -	- ; -	- ; 1.0	- ; 1.0
Memory	128 MB DDR	512 MB GDDR4	512 MB GDDR3	1 024 MB GDDR5
Memory	540 MHz ; 128 bit	2 250 MHz ; 256 bit	1 800 MHz ; 256 bit	3 900 MHz ; 256 bit
Bandwith	8 640 MB/s	72 000 MB/s	57 600 MB/s	124 800 MB/s
Interface	AGP 8x [2 133 MB/s]	PCI-E 2.0 x16 [8 192 MB/s]	PCI-E 2.0 x16 [8 192 MB/s]	PCI-E 2.0 x16 [8 192 MB/s]
TDP	-	106 W	95 W	190 W
Analog I/O ports	2 × VGA, 1 × Composite out, 1 × S-Video out	1 × S-Video out, 2 × DVI-I	1 × S-Video out, 2 × DVI-I	1 × S-Video out, 2 × DVI-I
Digital I/O ports	-	2 × DVI-I	2 × DVI-I	2 × DVI-I
Independent screens	2	2	2	2
Introduce date	2002	2007	2008	2009