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ColorFire HD 6850 X2 XStorm

Graphics Processor
Barts x2
Cores
960 x2
TMUs
48 x2
ROPs
32 x2
Memory Size
2 GB x2
Memory Type
GDDR5
Bus Width
256 bit x2
Front GPU Chip
GPU Chip
GPU
PCB Front
PCB Front

Graphics Processor

GPU Name
Barts
GPU Variant
Barts PRO
(215-0798006)
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
1,700 million
Density
6.7M / mm²
Die Size
255 mm²
Chip Package
HFCBGA-1737

Graphics Card

Release Date
Sep 19th, 2011
Generation
Northern Islands
(HD 6800)
Predecessor
Evergreen
Successor
Southern Islands
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
800 MHz
Memory Clock
1050 MHz
4.2 Gbps effective

Memory

Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
134.4 GB/s

Render Config

Shading Units
960
TMUs
48
ROPs
32
Compute Units
12
L1 Cache
8 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
25.60 GPixel/s
Texture Rate
38.40 GTexel/s
FP32 (float)
1.536 TFLOPS

Board Design

Slot Width
Dual-slot
TDP
254 W
Suggested PSU
600 W
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
Power Connectors
2x 8-pin

Graphics Features

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0

Barts GPU Notes

Generation: Northern Islands
Mobile Variant: Blackcomb
Codename: Victoria
Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1

Other retail boards based on this design (1)

Name GPU Clock Memory Clock Other Changes
ColorFire HD 6850 X2 XStorm
800 MHz 1050 MHz
Apr 19th, 2024 06:55 EDT change timezone

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