P102-100 vs Radeon R9 390

Primary details

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

Place in performance ranking	238	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	11.72	no data
Architecture	GCN 2.0 (2013−2017)	Pascal (2016−2021)
GPU code name	Grenada	GP102
Market segment	Desktop	Desktop
Design	reference	no data
Release date	18 June 2015 (9 years ago)	12 February 2018 (6 years ago)
Launch price (MSRP)	$329	$599

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Detailed specifications

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 cores	2560	3200
Core clock speed	no data	1582 MHz
Boost clock speed	1000 MHz	1683 MHz
Number of transistors	6,200 million	11,800 million
Manufacturing process technology	28 nm	16 nm
Power consumption (TDP)	275 Watt	250 Watt
Texture fill rate	160.0	336.6
Floating-point performance	5.12 gflops	10.77 gflops

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 x4
Length	275 mm	267 mm
Width	2-slot	2-slot
Supplementary power connectors	1 x 6-pin, 1 x 8-pin	2x 8-pin
Bridgeless CrossFire	+	-

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	GDDR5	GDDR5X
High bandwidth memory (HBM)	-	no data
Maximum RAM amount	0 MB	5 GB
Memory bus width	512 Bit	320 Bit
Memory clock speed	1000 MHz	11008 MHz
Memory bandwidth	384 GB/s	440.3 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	2x DVI, 1x HDMI, 1x DisplayPort	No outputs
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.

CrossFire	+	-
FreeSync	+	-
PowerTune	+	-
TrueAudio	+	-
VCE	+	-
DDMA audio	+	no data

API compatibility

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

DirectX	DirectX® 12	12 (12_1)
Shader Model	6.3	6.4
OpenGL	4.6	4.6
OpenCL	2.0	1.2
Vulkan	+	1.2.131
Mantle	+	-
CUDA	-	6.1

Pros & cons summary

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Recency	18 June 2015	12 February 2018
Chip lithography	28 nm	16 nm
Power consumption (TDP)	275 Watt	250 Watt

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