Radeon HD 3850 

Released April, 2008
  • 669 MHz
  • 512 MB DDR2
9.0Diamond's HD3850 Ruby Edition is a great choice if you are looking for a Radeon HD 3850 that has a bit more punch than the AMD reference design.
by techPowerUp! (Jan, 2008)
In our overclocking tests we saw that the card can easily handle much higher clocks so it would be an easy way by Diamond to gain additional features that could be advertised and benefit the customer.
by techPowerUp! (Jan, 2008)

Features Key features of the Radeon HD 3850

memory bandwidth Rate at which data can be read from or stored in onboard memory

Radeon HD 3850
25.6 GB/s
GeForce GT 8800
64.6 GB/s
Radeon HD 4850
63.6 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon HD 3850
10.7 GPixel/s
Radeon HD 4850
10 GPixel/s
GeForce GT 8800
11.2 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon HD 3850
10.7 GTexel/s
GeForce GT 8800
39.2 GTexel/s
Radeon HD 4850
25 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3850
428.16 GFLOPS
Radeon HD 4850
1,000 GFLOPS
GeForce GT 8800

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

Radeon HD 3850

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Radeon HD 3850

Reviews Word on the street for the Radeon HD 3850

Ring Bus Memory Controller Fully distributed design with 512-bit internal ring bus for memory reads and writes.

Specifications Full list of technical specs


GPU brand ATI
GPU name RV670 PRO
Market Desktop
Clock speed 669 MHz
Is dual GPU No
Reference card ATi Radeon HD 3850 668 MHz 512 MB

raw performance

Shading units 320
Texture mapping units 16
Render output processors 16
Compute units 4
Pixel rate 10.7 GPixel/s
Texture rate 10.7 GTexel/s
Floating-point performance 428.16 GFLOPS


Memory clock speed 400 MHz
Effective memory clock speed 800 MHz
Memory bus 256 bit
Memory 512 MB
Memory type DDR2
Memory bandwidth 25.6 GB/s

noise and power

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