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PowerColor HD 6970 X2 Prototype

Graphics Processor
Antilles x2
Cores
1536 x2
TMUs
96 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
Antilles
GPU Variant
Antilles XT
(215-0807027)
Architecture
TeraScale 3
Foundry
TSMC
Process Size
40 nm
Transistors
2,640 million
Density
6.8M / mm²
Die Size
389 mm²

Graphics Card

Release Date
Never Released
Generation
Northern Islands
(HD 6900)
Predecessor
Evergreen
Successor
Southern Islands
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
880 MHz
Memory Clock
1375 MHz
5.5 Gbps effective

Memory

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

Render Config

Shading Units
1536
TMUs
96
ROPs
32
Compute Units
24
L1 Cache
8 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
28.16 GPixel/s
Texture Rate
84.48 GTexel/s
FP32 (float)
2.703 TFLOPS

Board Design

Slot Width
Dual-slot
TDP
375 W
Suggested PSU
750 W
Outputs
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Power Connectors
3x 8-pin

Graphics Features

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

Antilles GPU Notes

Generation: Northern Islands
Desktop Variant: Cayman
Graphics/Compute: GFX5
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
PowerColor HD 6970 X2 Prototype
880 MHz 1375 MHz
Apr 26th, 2024 06:29 EDT change timezone

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