AMD Radeon HD 6850 X2: specs and benchmarks

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AMD Radeon HD 6850 X2
Radeon HD 6850 X2
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  • Interface PCIe 2.0 x16
  • Core clock speed 800 MHz
  • Max video memory 2 GB
  • Memory type GDDR5
  • Memory clock speed 4200 MHz
  • Maximum resolution
Year of release 2011
Performance 8.63

Summary

AMD started Radeon HD 6850 X2 sales 19 September 2011. This is TeraScale 2 architecture desktop card based on 40 nm manufacturing process and primarily aimed at gamers. 2 GB of GDDR5 memory clocked at 4.2 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 134.4 GB/s.

Compatibility-wise, this is dual-slot card attached via PCIe 2.0 x16 interface. Two 8-pin power connectors are required, and power consumption is at 254 Watt.

It provides poor gaming and benchmark performance at

8.63%

of a leader's which is NVIDIA GeForce RTX 3090 Ti.

General info

Of Radeon HD 6850 X2's architecture, market segment and release date.

Place in performance rating444
ArchitectureTeraScale 2 (2009−2015)
GPU code nameBarts
Market segmentDesktop
Release date19 September 2011 (10 years ago)

Technical specs

Radeon HD 6850 X2's general performance parameters such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 6850 X2's performance, but for precise assessment you have to consider its benchmark and gaming test results.

Pipelines / CUDA cores960of 18432 (AD102)
Core clock speed800 MHzof 2610 (Radeon RX 6500 XT)
Number of transistors1,700 millionof 14400 (GeForce GTX 1080 SLI Mobile)
Manufacturing process technology40 nmof 4 (H100 PCIe)
Thermal design power (TDP)254 Wattof 900 (Tesla S2050)
Texture fill rate38.40of 939.8 (H100 SXM5)
Floating-point performance2x 1,536.0 gflopsof 16384 (Radeon Pro Duo)

Compatibility, dimensions and requirements

Information on Radeon HD 6850 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).

InterfacePCIe 2.0 x16
Width2-slot
Supplementary power connectors2x 8-pin

Memory

Parameters of memory installed on Radeon HD 6850 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 typeGDDR5
Maximum RAM amount2 GBof 128 (Radeon Instinct MI250X)
Memory bus width256 Bitof 8192 (Radeon Instinct MI250X)
Memory clock speed4200 MHzof 21000 (GeForce RTX 3090 Ti)
Memory bandwidth134.4 GB/sof 14400 (Radeon R7 M260)

Video outputs and ports

Types and number of video connectors present on Radeon HD 6850 X2. 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 Connectors2x DVI, 1x HDMI, 1x DisplayPort
HDMI+

API support

APIs supported by Radeon HD 6850 X2, sometimes including their particular versions.

DirectX11.2 (11_0)
Shader Model5.0
OpenGL4.4of 4.6 (GeForce GTX 1080 Mobile)
OpenCL1.2
VulkanN/A

Benchmark performance

Non-gaming benchmark performance of Radeon HD 6850 X2. Note that overall benchmark performance is measured in points in 0-100 range.


Overall score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

HD 6850 X2 8.63
  • Passmark

Passmark

This is probably the most ubiquitous benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

HD 6850 X2 2534

Game benchmarks

Let's see how good Radeon HD 6850 X2 is for gaming. Particular gaming benchmark results are measured in frames per second. Comparisons with game system requirements are included, but remember that sometimes official requirements may reflect reality inaccurately.

Relative perfomance

Overall Radeon HD 6850 X2 performance compared to nearest competitors among desktop video cards.


NVIDIA equivalent

We believe that the nearest equivalent to Radeon HD 6850 X2 from NVIDIA is GeForce GTX 650 Ti, which is nearly equal in speed and is lower by 1 position in our rating.

NVIDIA GeForce GTX 650 Ti GeForce GTX 650 Ti
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Here are some closest NVIDIA rivals to Radeon HD 6850 X2:

Similar GPUs

Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.

NVIDIA GeForce GTX 650 Ti GeForce GTX 650 Ti
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AMD Radeon HD 6950 Radeon HD 6950
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NVIDIA GeForce GTX 465 GeForce GTX 465
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NVIDIA GeForce GTX 560 GeForce GTX 560
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NVIDIA GeForce GTX 460 GeForce GTX 460
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ATI Radeon HD 5870 Radeon HD 5870
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Recommended processors

These processors are most commonly used with Radeon HD 6850 X2 according to our statistics.

User rating

Here you can see the user rating of the graphics card, as well as rate it yourself.


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Questions and comments

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