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ATOMIC HD 3870 512MB GDDR4 PCI-E

One of a few Sapphire Graphics Processing Units, based on ATI Radeon HD 3870, Sapphire ATOMIC HD 3870 512MB GDDR4 PCI-E is produced on 55 nm manufacturing process. The card is targeted at desktop market. The card's graphics frequency is 825 MHz. Furthermore, it has 320 stream processors, 16 texture units, as well as 16 color ROPs. The ATOMIC HD 3870 512MB GDDR4 PCI-E comes with 512 MB of GDDR4 memory, clocked at 1.2 GHz. It has a 256 bit wide memory bus, which translates to 76.8 GB/s memory bandwidth. The GPU has PCI Express 2.0 interface, and requires 1 motherboard slot. This model needs up to 106 Watt of power, identical to the reference design.

Below you will find more detailed specifications of the card.

Sapphire ATOMIC HD 3870 512MB GDDR4 PCI-E GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: ATOMIC HD 3870 512MB GDDR4 PCI-E
Based on: ATI Radeon HD 3870 [Compare]
Target market segment: Desktop
Die name: RV670
Architecture: Unified Superscalar Shader Architecture
Fabrication process: 55 nm
Transistors: 666 million
Bus interface: PCI-E 2.0 x 16

Frequency

Graphics clock: 825 MHz

Memory specifications

Memory size: 512 MB
Memory type: GDDR4
Memory clock: 1200 MHz
Memory clock (effective): 2400 MHz
Memory interface width: 256-bit
Memory bandwidth: 76.8 GB/s

Cores / Texture

Color ROPs: 16
Stream processors: 320
Texture units: 16
Texture fetches / clock cycle: Up to 80
Textures/pixel: Up to 128
RAMDACs: 400 MHz
Decoders: DivX
H.264
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options: 4-way

Electric characteristics

Maximum power draw: 106 W

Video features

Multi-monitor: Up to 2 displays
Maximum digital resolution: 2560 x 1600
Maximum DVI resolution: 2560 x 1600
Maximum HDMI resolution: 1920 x 1200
Maximum VGA resolution: 2048 x 1536
Anti-Aliasing technologies: 24 x CFAA
8 x MSAA
Adaptive MSAA & SSAA
Temporal AA
HDMI: Yes
HDMI version: 1.2

Performance

Pixel fill rate: 13.2 Gigapixels/s
Texture fill rate: 13.2 Gigatexels/s
Single presision compute power: 528 GFLOPS
Double precision compute power: 105.6 GFLOPS

External connectors

Standard display connectors: 2 x Dual-Link DVI-I
S-Video
Power connectors: 1 x 6-pin
Audio input for HDMI: Yes

Dimensions

Width: Single-Slot

Other features / Support

Other features: ATI/AMD PowerPlay
HDCP
High Dynamic Range (HDR) Support
OpenGL support: 3.3
DirectX support: 10.1
Shader model: 4.1
Windows driver support: Windows 7
Windows Vista
Windows XP

Notes


This card was a limited edition and shipped in a metal briefcase.
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