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Sapphire HD 3870 Vapor-X

RV670
Graphics Processor
320
Cores
16
TMUs
16
ROPs
1024 MB
Memory Size
GDDR4
Memory Type
256 bit
Bus Width
Sapphire HD 3870 Vapor-X Image ATI RV670 Image

Graphics Processor

GPU Name
RV670
GPU Variant
RV670 XT
(215-0708005)
Architecture
TeraScale
Process Size
55 nm
Transistors
666 million
Die Size
192 mm²

Graphics Card

Released
Nov 19th, 2007
Production Status
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
777 MHz
800 MHz (+3%)
Memory Clock
1126 MHz
1100 MHz (-2%)
2252 MHz effective
2200 MHz effective

Memory

Memory Size
512 MB
1024 MB
Memory Type
GDDR4
Memory Bus
256 bit
Bandwidth
72.06 GB/s
70.40 GB/s

Render Config

Shading Units
320
TMUs
16
ROPs
16
Compute Units
4
Pixel Rate
12.43 GPixel/s
12.80 GPixel/s
Texture Rate
12.43 GTexel/s
12.80 GTexel/s
Floating-point performance
497.3 GFLOPS
512.0 GFLOPS

Board Design

Slot Width
Dual-slot
Single-slot
Length
9.5 inches
241 mm
TDP
106 W
Outputs
2x DVI
1x S-Video
Power Connectors
1x 6-pin
Board Number
B339

Graphics Features

DirectX
10.0
OpenGL
3.3
OpenCL
1.0
Vulkan
N/A
Shader Model
4.0

Reviews

Our review database contains 80 reviews of the HD 3870 Vapor-X.

RV670 GPU Notes

Graphics/Compute: GFX3
Display Core Engine: 2.0
Unified Video Decoder: 1.0

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

Other retail boards based on this design (11)

Name GPU Clock Memory Clock Other Changes
ASUS HD 3870 Magic 777 MHz 855 MHz GDDR3, 9 inches/229 mm, Single-slot
ASUS HD 3870 TOP 851 MHz 1143 MHz 9 inches/229 mm, Single-slot
Diamond Viper HD 3870 Ruby Edition 850 MHz 950 MHz 1024 MB, GDDR3, 9 inches/229 mm
Diamond Viper HD 3870 Ruby Edition 820 MHz 1200 MHz 9 inches/229 mm
HIS HD 3870 IceQ 3 Turbo 850 MHz 1190 MHz 9.49 inches/241 mm
Sapphire HD 3870 777 MHz 1126 MHz
Sapphire HD 3870 Atomic 825 MHz 1200 MHz Single-slot
Sapphire HD 3870 Toxic II 800 MHz 1152 MHz Single-slot
Sapphire HD 3870 Ultimate 800 MHz 1152 MHz Single-slot
Sapphire HD 3870 Vapor-X 800 MHz 1100 MHz 1024 MB, Single-slot
VisionTek HD 3870 777 MHz 1126 MHz GDDR3, Single-slot