Radeon HD 8990 OEM vs Pro Duo

Primary details

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

Place in the ranking	256	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.44	no data
Power efficiency	4.23	no data
Architecture	GCN 3.0 (2014−2019)	GCN 1.0 (2011−2020)
GPU code name	Capsaicin	Malta
Market segment	Workstation	Desktop
Design	reference	no data
Release date	26 April 2016 (8 years ago)	24 April 2013 (11 years ago)
Launch price (MSRP)	$1,499	$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	4096	2048
Compute units	128	no data
Core clock speed	no data	950 MHz
Boost clock speed	1000 MHz	1000 MHz
Number of transistors	8,900 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	350 Watt	375 Watt
Texture fill rate	256.0	128.0
Floating-point processing power	8.192 TFLOPS	4.096 TFLOPS
ROPs	64	32
TMUs	256	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).

Bus support	PCIe 3.0	no data
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	277 mm	307 mm
Width	2-slot	2-slot
Supplementary power connectors	3x 8-pin	2x 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 type	High Bandwidth Memory (HBM)	GDDR5
Maximum RAM amount	8 GB	3 GB
Memory bus width	4096 Bit	384 Bit
Memory clock speed	500 MHz	1500 MHz
Memory bandwidth	512 GB/s	288.0 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 Connectors	1x HDMI, 3x DisplayPort	1x DVI, 4x mini-DisplayPort
Eyefinity	+	-
Number of Eyefinity displays	6	no data
HDMI	+	-
DisplayPort support	+	-

Supported technologies

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

AppAcceleration	+	-
CrossFire	+	-
Enduro	+	-
FRTC	+	-
FreeSync	+	-
HD3D	+	-
LiquidVR	+	-
PowerTune	+	-
TressFX	+	-
TrueAudio	+	-
ZeroCore	+	-
UVD	+	-
VCE	+	-

API compatibility

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

DirectX	DirectX® 12	12 (11_1)
Shader Model	6.0	5.1
OpenGL	4.5	4.6
OpenCL	2.0	1.2
Vulkan	+	1.2.131
Mantle	+	-

Pros & cons summary

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Recency	26 April 2016	24 April 2013
Maximum RAM amount	8 GB	3 GB
Power consumption (TDP)	350 Watt	375 Watt

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