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ASUS ROG HD 3850 X2

  • EAH3850X2/HTDI/1G
Graphics Processor
RV670 x2
Cores
320 x2
TMUs
16 x2
ROPs
16 x2
Memory Size
512 MB x2
Memory Type
GDDR3
Bus Width
256 bit x2
Front GPU Chip
GPU Chip
GPU
I/O
I/O

Graphics Processor

GPU Name
RV670
GPU Variant
RV670 PRO
(215-0708003)
Architecture
TeraScale
Foundry
TSMC
Process Size
55 nm
Transistors
666 million
Density
3.5M / mm²
Die Size
192 mm²
Chip Package
FCBGA-1281

Graphics Card

Release Date
Apr 4th, 2008
Generation
Radeon R600
(HD 3800)
Predecessor
Radeon R500 PCIe
Successor
Radeon R700
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
669 MHz
Memory Clock
828 MHz
1656 Mbps effective

Memory

Memory Size
512 MB
Memory Type
GDDR3
Memory Bus
256 bit
Bandwidth
52.99 GB/s

Render Config

Shading Units
320
TMUs
16
ROPs
16
Compute Units
4
L2 Cache
256 KB

Theoretical Performance

Pixel Rate
10.70 GPixel/s
Texture Rate
10.70 GTexel/s
FP32 (float)
428.2 GFLOPS
FP64 (double)
85.63 GFLOPS (1:5)

Board Design

Slot Width
Dual-slot
TDP
140 W
Suggested PSU
300 W
Outputs
2x DVI
1x S-Video

Graphics Features

DirectX
10.1 (10_1)
OpenGL
3.3 (full)
4.0 (partial)
OpenCL
N/A
Vulkan
N/A
Shader Model
4.1

RV670 GPU Notes

Mobile Variant: M88
Codename: Boom
Graphics/Compute: GFX3
Display Core Engine: 2.0
Unified Video Decoder: 1.0

RV670 Chip Numbers:
RV670 XT (215-0708017)
RV670 XTX ES (215-0708001)

Other retail boards based on this design (1)

Name GPU Clock Memory Clock Other Changes
ASUS ROG HD 3850 X2
669 MHz 828 MHz
Apr 23rd, 2024 18:21 EDT change timezone

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