Radeon HD 8990 OEM vs ATI HD 3850

Primary details

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

Place in the ranking1102not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.02no data
Power efficiency0.95no data
ArchitectureTeraScale (2005−2013)GCN 1.0 (2011−2020)
GPU code nameRV670Malta
Market segmentDesktopDesktop
Release date19 November 2007 (17 years ago)24 April 2013 (11 years ago)
Launch price (MSRP)$179 $999

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3202048
Core clock speed668 MHz950 MHz
Boost clock speedno data1000 MHz
Number of transistors666 million4,313 million
Manufacturing process technology55 nm28 nm
Power consumption (TDP)75 Watt375 Watt
Texture fill rate10.69128.0
Floating-point processing power0.4275 TFLOPS4.096 TFLOPS
ROPs1632
TMUs16128

Form factor & 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 3.0 x16
Length208 mm307 mm
Width1-slot2-slot
Supplementary power connectors1x 6-pin2x 8-pin

VRAM capacity and type

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 amount1 GB3 GB
Memory bus width256 Bit384 Bit
Memory clock speed830 MHz1500 MHz
Memory bandwidth53.12 GB/s288.0 GB/s

Connectivity and outputs

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, 4x mini-DisplayPort

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)12 (11_1)
Shader Model4.15.1
OpenGL3.34.6
OpenCLN/A1.2
VulkanN/A1.2.131

Pros & cons summary


Recency 19 November 2007 24 April 2013
Maximum RAM amount 1 GB 3 GB
Chip lithography 55 nm 28 nm
Power consumption (TDP) 75 Watt 375 Watt

ATI HD 3850 has 400% lower power consumption.

HD 8990 OEM, on the other hand, has an age advantage of 5 years, a 200% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

We couldn't decide between Radeon HD 3850 and Radeon HD 8990 OEM. 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.

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ATI Radeon HD 3850
Radeon HD 3850
AMD Radeon HD 8990 OEM
Radeon HD 8990 OEM

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Community ratings

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3.4 205 votes

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3.6 7 votes

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Questions & comments

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