ATI HD 4890 vs AMD HD 6870 X2

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General info

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

Place in performance rankingnot rated659
Place by popularitynot in top-100not in top-100
Value for moneyno data0.65
ArchitectureTeraScale 2 (2009−2015)TeraScale (2005−2013)
GPU code nameBartsRV790
Market segmentDesktopDesktop
Release date8 July 2011 (12 years old)2 April 2009 (14 years old)
Launch price (MSRP)$520 $249
Current priceno data$11.97 (0x MSRP)
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 cores1120800
Core clock speed900 MHz850 MHz
Number of transistors1,700 million959 million
Manufacturing process technology40 nm55 nm
Power consumption (TDP)300 Watt190 Watt
Texture fill rate50.4034.00
Floating-point performance2x 2,016.0 gflops1,360.0 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).

InterfacePCIe 2.0 x16PCIe 2.0 x16
Length304 mm241 mm
Width2-slot2-slot
Supplementary power connectorsno data2x 6-pin

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 typeGDDR5GDDR5
Maximum RAM amount1 GB1 GB
Memory bus width256 Bit256 Bit
Memory clock speed4200 MHz3900 MHz
Memory bandwidth134.4 GB/s124.8 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 HDMI, 2x mini-DisplayPort2x DVI, 1x S-Video
HDMI+no data

API support

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

DirectX11.2 (11_0)10.1 (10_1)
Shader Model5.04.1
OpenGL4.43.3
OpenCL1.21.1
VulkanN/AN/A

Advantages and disadvantages


Recency 8 July 2011 2 April 2009
Cost $520 $249
Chip lithography 40 nm 55 nm
Power consumption (TDP) 300 Watt 190 Watt

We couldn't decide between Radeon HD 6870 X2 and Radeon HD 4890. We've got no test results to judge.


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

User ratings

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AMD Radeon HD 6870 X2
Radeon HD 6870 X2
ATI Radeon HD 4890
Radeon HD 4890

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4.1 84 votes

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