ATI Radeon HD 3850 X2 vs NVIDIA GeForce 9800 GX2

General info

Comparison of Radeon HD 3850 X2 and GeForce 9800 GX2 architecture, market type and release date.
Place in performance rating
Code name
Release date
4 April 2008
18 March 2008
Launch price (MSRP)

Technical specs

Radeon HD 3850 X2 and GeForce 9800 GX2'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 and GeForce 9800 GX2's performance, but for precise assessment you have to consider its benchmark and gaming test results.
CUDA cores
no data
256 (128 per GPU)
Core clock speed
669 MHz
1500 MHz
Transistor count
666 million
754 million
Manufacturing process technology
55 nm
65 nm
Power consumption (TDP)
140 Watt
197 Watt
Maximum GPU temperature
no data
105 °C
Texture fill rate
76.8 billion/sec
Floating-point performance
2x 428.2 gflops
2x 384.0 gflops

Compatibility, dimensions and requirements

Information on Radeon HD 3850 X2 and GeForce 9800 GX2 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
PCIe 2.0 x16
267 mm
10.5" (26.7 cm)
Supplementary power connectors
no data
6-pin & 8-pin
SLI options


Parameters of memory installed on Radeon HD 3850 X2 and GeForce 9800 GX2: 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
512 MB
512 MB
Memory bus width
256 Bit
512 Bit
Memory clock speed
1656 MHz
1000 MHz
Memory bandwidth
52.99 GB/s
128 (64 per GPU)

Video outputs and ports

Types and number of video connectors present on Radeon HD 3850 X2 and GeForce 9800 GX2. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x HDMI
Display Connectors
no data
Multi monitor support
no data
Maximum VGA resolution
no data
Audio input for HDMI
no data


Technological solutions and APIs supported by Radeon HD 3850 X2 and GeForce 9800 GX2. You'll probably need this information if you need some particular technology for your purposes.
3D Vision

API support

APIs supported by Radeon HD 3850 X2 and GeForce 9800 GX2, sometimes including their particular versions.
10.1 (10_1)
11.1 (10_0)

Benchmark performance

Non-gaming benchmarks performance of Radeon HD 3850 X2 and GeForce 9800 GX2. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

ATI HD 3850 X2 3.79 +3.3%
9800 GX2 3.67


ATI HD 3850 X2 822 +3.1%
9800 GX2 797

Gaming performance

Let's see how good Radeon HD 3850 X2 and GeForce 9800 GX2 are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages of ATI Radeon HD 3850 X2

3.3% faster in synthetic tests
Cheaper ($349 vs $599)
More pipelines (320 vs 128)
Finer manufacturing process technology (55 vs 65 nm)
Less power hungry (140 vs 197 watts)

Advantages of NVIDIA GeForce 9800 GX2

Wider memory bus (512 vs 256 bit)
Higher memory bandwidth (128 vs 52.99 GB/s)
3D Vision
PhysX (hardware acceleration of physical simulation engine named PhysX)
CUDA (Compute Unified Device Architecture - an API for video card computing power usage in tasks different from 3D graphics processing. Can be used for physics simulation for instance)
3D Vision Surround

So, HD 3850 X2 or 9800 GX2?

Technical City couldn't decide between ATI Radeon HD 3850 X2 and NVIDIA GeForce 9800 GX2. The differences in performance seem too small.
Should you still have questions on choice between Radeon HD 3850 X2 and GeForce 9800 GX2, ask them in Comments section, and we shall answer.

Cast your vote

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ATI Radeon HD 3850 X2
NVIDIA GeForce 9800 GX2

User rating

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Advices and comments

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