Radeon HD 8990 OEM vs GeForce GTX 1080 Ti

Primary details

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

Place in the ranking	70	not rated
Place by popularity	41	not in top-100
Cost-effectiveness evaluation	20.48	no data
Power efficiency	13.25	no data
Architecture	Pascal (2016−2021)	GCN 1.0 (2011−2020)
GPU code name	GP102	Malta
Market segment	Desktop	Desktop
Release date	10 March 2017 (7 years ago)	24 April 2013 (11 years ago)
Launch price (MSRP)	$699	$999

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores	3584	2048
Core clock speed	1481 MHz	950 MHz
Boost clock speed	1582 MHz	1000 MHz
Number of transistors	11,800 million	4,313 million
Manufacturing process technology	16 nm	28 nm
Power consumption (TDP)	250 Watt	375 Watt
Maximum GPU temperature	91 °C	no data
Texture fill rate	354.4	128.0
Floating-point processing power	11.34 TFLOPS	4.096 TFLOPS
ROPs	88	32
TMUs	224	128

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).

Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	267 mm	307 mm
Width	2-slot	2-slot
Recommended system power (PSU)	600 Watt	no data
Supplementary power connectors	1x 6-pin + 1x 8-pin	2x 8-pin
SLI options	+	-

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 type	GDDR5X	GDDR5
Maximum RAM amount	11 GB	3 GB
Memory bus width	352 Bit	384 Bit
Memory clock speed	1376 MHz	1500 MHz
Memory bandwidth	484.4 GB/s	288.0 GB/s
Shared memory	-	-

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 Connectors	1x HDMI, 3x DisplayPort	1x DVI, 4x mini-DisplayPort
Multi monitor support	+	no data
HDMI	+	-
G-SYNC support	+	-

Supported technologies

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

GPU Boost	3.0	no data
Ansel	+	-

API compatibility

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

DirectX	12 (12_1)	12 (11_1)
Shader Model	6.4	5.1
OpenGL	4.5	4.6
OpenCL	1.2	1.2
Vulkan	+	1.2.131
CUDA	+	-

Pros & cons summary

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Recency	10 March 2017	24 April 2013
Maximum RAM amount	11 GB	3 GB
Chip lithography	16 nm	28 nm
Power consumption (TDP)	250 Watt	375 Watt

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