ATI Radeon HD 3850 X2: specs and benchmarks

ATI Radeon HD 3850 X2


ATI started Radeon HD 3850 X2 sales 4 April 2008 at a recommended price of 349 USD. This is TeraScale architecture desktop card based on 55 nm manufacturing process and primarily aimed at gamers. 2x 0.5 GB of GDDR3 memory clocked at 1.66 GHz are supplied, and together with 2x 256 Bit memory interface this creates a bandwidth of 2x 53.0 GB/s.

Compatibility-wise, this is 2-slot card attached via PCIe 2.0 x16 interface. Its manufacturer default version has a length of 267 mm. No additional power connector is required, and power consumption is at 140 Watt.

It provides poor gaming and benchmark performance at 20.50 percent of a leader's which is AMD Radeon R9 390 X2.

General info

Of Radeon HD 3850 X2's architecture, market type and release date.
Place in performance rating
Code name
Release date
4 April 2008
Launch price (MSRP)
349 USD
of 14999 (Quadro Plex 7000)

Technical specs

Radeon HD 3850 X2's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 3850 X2's performance, but for precise assessment you have to consider its benchmark and gaming test results.
2x 320
of 8192 (FirePro S9300 X2)
Core clock speed
669 MHz
Transistor count
666 million
of 21100
Manufacturing process technology
55 nm
of 12
Power consumption (TDP)
140 Watt
of 900 (Tesla S2050)
Texture fill rate
2x 10.7 billion/sec
of 20896 (Tesla M10)
Floating-point performance
2x 428.2 gflops

Compatibility, dimensions and requirements

Information on Radeon HD 3850 X2's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
PCIe 2.0 x16
267 mm

Memory specs

Parameters of memory installed on Radeon HD 3850 X2: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
Maximum RAM amount
2x 0.5 GB
of 32 (Tesla M10)
Memory bus width
2x 256 Bit
of 8192 (FirePro S9300 X2)
Memory clock speed
1656 MHz
Memory bandwidth
2x 53.0 GB/s
of 11404 (GRID K1)

Video outputs and ports

Types and number of video connectors present on Radeon HD 3850 X2.
Display Connectors
2x DVI, 1x S-Video

Video card benchmarks performance

Non-gaming benchmarks performance of Radeon HD 3850 X2. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
3DMark Ice Storm GPU
3DMark Vantage Performance
Unigine Heaven 3.0

Game benchmarks (in FPS)

Let's see how good Radeon HD 3850 X2 is for gaming. Particular gaming benchmark results are measured in FPS, while overall gaming performance is a number in 0-100 range, and the older the game, the less impact it has on the overall grade.
Overall gaming performance

Relative perfomance

Overall Radeon HD 3850 X2 performance compared to its nearest competitors. All GPU types participate.

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Compare Radeon HD 3850 X2 with others

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Advices and comments

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