GPU Radeon HD 4870 Radeon HD 5850 Radeon HD 5870 GeForce GTX 285 Manufacturing Process 55-nm 40-nm 40-nm 55-nm

tangibleassistantΛογισμικό & κατασκευή λογ/κού

3 Δεκ 2013 (πριν από 3 χρόνια και 8 μήνες)

85 εμφανίσεις

Do you like bold? Bold is beautiful, especially in the case of bold styling. A red and black Dodge
Challenger (
http://hot
-
rod
-
harry.com/images/2008
-
Dodge
-
Challenger.jpg
) is beautiful because its
styling is bold and because it has a lot of power under the hood. There is an interesting parallel between
the styling of graphics cards and the styling of automobiles. Three years ago, everybody displayed their
heat pipes and th
e more surfaces and convolutions there were, the better the product had to be. The
tables have turned, though, it is the confidence of a winner that dictates

a rather sober

styling of
graphics cards now. In the case of today’s contender, that is, ASUS’ RA
DEON EAH 5850
, it is about as
simple as it is
understatedly

yet decidedly

bold.

To give credit where credit is due, the reference desi
gn was done by ATI and all current cards are
following it. Notwithstanding, there are differences between manufacturers,
primarily with respect to
features,
warranty and some of the bundled software.

ASUS advertises the EAH5850 to be equipped
with their “voltage tweak” technology, enabled in software through the “smart doctor”


utility, which
also allows independent overcloc
king of core and memory. To ensure that everybody feels safe about
these features,
ASUS backs its prod
ucts with a three year warranty.

Similar to XFX, Sapphire and HIS,
ASUS also includes a coupon for a complimentary copy of Colin McRae Dirt2, to be rele
ased on
December 11, 2009.

Arguably, who cares about a 3 years warranty on a graphics card? Well, I do. Even though graphics have
made more progress than anything else in today’s computers short of solid state drives, graphics cards
have been the lesser
vulnerable parts in the test systems that have gone through the LostCircuits test
labs and it would be a good thing if things stayed this way.


http://www.firingsqu
ad.com/hardware/ati_radeon_hd_5850_performance_preview/




GPU

Radeon HD 4870

Radeon HD 5850

Radeon HD 5870

GeForce GTX
285

Manufacturing
Process

55
-
nm

40
-
nm

40
-
nm

55
-
nm

Graphics Core
Clock Speed

750MHz

725MHz

850MHz

648MHz

Stream Processor
Clock Speed

750MHz

725MHz

850MHz

1,476MHz

# of Stream
Processors

800

1440

1600

240

Memory Clock
Speed

900MHz (3.6
Gbps data rate)

1000MHz (4.0
Gbps data rate)

1200MHz (4.8
Gbps data rate)

1,242MHz
(2,484MHz
effective)

Memory Interface

256
-
bit

256
-
bit

256
-
bit

512
-
bit

Memory
Bandwidth

115.2 GB/sec

128 GB/sec

153.6 GB/sec

159GB/sec

Memory Size

512MB/1GB

1GB

1GB

1GB/2GB

ROPs

16

32

32

32

Texture Filtering
Units

40

72

80

80

Texture Filtering
Rate

30.0
GigaTexels/sec

52.2
GigaTexels/sec

68 GigaTexels/sec

51.8
GigaTexels/sec

Pixel Fill Rate

12 GigaPixels/sec

23.2
Gigapixels/sec

27.2
Gigapixels/sec

21.4
GigaPixels/sec

Power Connectors

2x6
-
pin

2x6
-
pin

2x6
-
pin

2x6
-
pin

Max Board Power

160W

151W

188W

183W