AMD HD 6670 vs ATI HD 3870 X2

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Combined performance score

ATI HD 3870 X2
1.83

HD 6670 outperforms HD 3870 X2 by 3% in our combined benchmark results.

General info

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

Place in performance ranking872864
Place by popularitynot in top-100not in top-100
Value for money0.040.08
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameR680Turks
Market segmentDesktopDesktop
Designno datareference
Release date26 January 2008 (16 years old)19 April 2011 (12 years old)
Launch price (MSRP)$449 $99
Current price$254 (0.6x MSRP)$134 (1.4x MSRP)
Value for money

Performance to price ratio. The higher, the better.

HD 6670 has 100% better value for money than ATI HD 3870 X2.

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 cores320480
Core clock speed825 MHzno data
Boost clock speedno data800 MHz
Number of transistors666 million716 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)165 Watt66 Watt
Texture fill rate13.2019.20
Floating-point performance2x 528.0 gflops768.0 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).

Bus supportno dataPCIe 2.0 x16
InterfacePCIe 2.0 x16PCIe 2.0 x16
Length267 mm168 mm
Width2-slot1-slot
Supplementary power connectors1x 6-pin + 1x 8-pinNone

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 typeGDDR3GDDR5
Maximum RAM amount512 MB1 GB
Memory bus width256 Bit128 Bit
Memory clock speed1802 MHz1050 MHz
Memory bandwidth57.66 GB/s64 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-Video1x DVI, 1x HDMI, 1x VGA
Eyefinityno data1
HDMIno data+
DisplayPort supportno data-

Technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

AppAccelerationno data-
CrossFireno data1
Endurono data-
HD3Dno data-
PowerTuneno data-
TrueAudiono data-
ZeroCoreno data-

API support

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

DirectX10.1 (10_1)DirectX® 11
Shader Model4.15.0
OpenGL3.34.4
OpenCLN/A1.2
VulkanN/Ano data
Mantleno data-

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
HD 6670 1.89
+3.3%

HD 6670 outperforms HD 3870 X2 by 3% 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
HD 6670 731
+3.2%

HD 6670 outperforms HD 3870 X2 by 3% 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 1.89
Recency 26 January 2008 19 April 2011
Cost $449 $99
Maximum RAM amount 512 MB 1 GB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 165 Watt 66 Watt

We couldn't decide between Radeon HD 3870 X2 and Radeon HD 6670. The differences in performance seem too small.


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
AMD Radeon HD 6670
Radeon HD 6670

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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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3.5 788 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.