ATI 8514-Ultra vs Radeon HD 7990

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Primary details

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

Place in the ranking356not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.47no data
Power efficiency2.66no data
ArchitectureGCN 1.0 (2011−2020)Mach (1992−1997)
GPU code nameMaltaMach8
Market segmentDesktopDesktop
Release date24 April 2013 (11 years ago)1992 (32 years ago)
Launch price (MSRP)$999 $799

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 cores2048no data
Core clock speed950 MHz10 MHz
Boost clock speed1000 MHzno data
Number of transistors4,313 millionno data
Manufacturing process technology28 nm800 nm
Power consumption (TDP)375 Wattno data
Texture fill rate128.0no data
Floating-point processing power4.096 TFLOPSno data
ROPs321
TMUs128no data

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 3.0 x16ISA 16 Bit
Length307 mmno data
Width2-slot1-slot
Supplementary power connectors2x 8-pinNone

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 typeGDDR5VRAM
Maximum RAM amount3 GB1 MB
Memory bus width384 Bit32 Bit
Memory clock speed1500 MHz10 MHz
Memory bandwidth288.0 GB/s40 MB/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 Connectors1x DVI, 4x mini-DisplayPortNo outputs

API compatibility

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

DirectX12 (11_1)N/A
Shader Model5.1no data
OpenGL4.6N/A
OpenCL1.2N/A
Vulkan1.2.131N/A

Pros & cons summary


Maximum RAM amount 3 GB 1 MB
Chip lithography 28 nm 800 nm

HD 7990 has a 307100% higher maximum VRAM amount, and a 2757.1% more advanced lithography process.

We couldn't decide between Radeon HD 7990 and 8514-Ultra. 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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AMD Radeon HD 7990
Radeon HD 7990
ATI 8514-Ultra
8514-Ultra

Comparisons with similar GPUs

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Community ratings

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4.2 52 votes

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1.7 3 votes

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Questions & comments

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