ATI HD 3850 X2 vs ATI HD 3870 X2

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Combined performance score

ATI HD 3870 X2
1.83

HD 3850 X2 outperforms HD 3870 X2 by 16% in our combined benchmark results.

General info

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking872821
Place by popularitynot in top-100not in top-100
Value for money0.04no data
ArchitectureTeraScale (2005−2013)TeraScale (2005−2013)
GPU code nameR680RV670
Market segmentDesktopDesktop
Release date26 January 2008 (16 years old)4 April 2008 (15 years old)
Launch price (MSRP)$449 $349
Current price$254 (0.6x MSRP)no data
Value for money

Performance to price ratio. The higher, the better.

no data

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores320320
Core clock speed825 MHz669 MHz
Number of transistors666 million666 million
Manufacturing process technology55 nm55 nm
Power consumption (TDP)165 Watt140 Watt
Texture fill rate13.2010.70
Floating-point performance2x 528.0 gflops2x 428.2 gflops

Size and compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16PCIe 2.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pinno data

Memory

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3GDDR3
Maximum RAM amount512 MB512 MB
Memory bus width256 Bit256 Bit
Memory clock speed1802 MHz1656 MHz
Memory bandwidth57.66 GB/s52.99 GB/s

Video outputs and ports

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors2x DVI, 1x S-Video2x DVI, 1x S-Video

API support

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)10.1 (10_1)
Shader Model4.14.1
OpenGL3.33.3
OpenCLN/AN/A
VulkanN/AN/A

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark performance score. 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.

ATI HD 3870 X2 1.83
ATI HD 3850 X2 2.12
+15.8%

HD 3850 X2 outperforms HD 3870 X2 by 16% in our combined benchmark results.


Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of 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.

Benchmark coverage: 25%

ATI HD 3870 X2 708
ATI HD 3850 X2 822
+16.1%

HD 3850 X2 outperforms HD 3870 X2 by 16% in Passmark.

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Advantages and disadvantages


Performance score 1.83 2.12
Recency 26 January 2008 4 April 2008
Cost $449 $349
Power consumption (TDP) 165 Watt 140 Watt

The Radeon HD 3850 X2 is our recommended choice as it beats the Radeon HD 3870 X2 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Radeon HD 3870 X2
Radeon HD 3870 X2
ATI Radeon HD 3850 X2
Radeon HD 3850 X2

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User ratings: view and submit

Here you can see the user rating of the graphics cards, as well as rate them yourself.


4.1 9 votes

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2.3 6 votes

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Questions and comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.