Radeon R9 M390 Mac Edition vs R9 Nano

Primary details

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

Place in the ranking	248	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.36	no data
Architecture	GCN 1.2 (2015−2016)	GCN 1.0 (2012−2020)
GPU code name	Fiji	Pitcairn
Market segment	Desktop	Desktop
Design	reference	no data
Release date	10 September 2015 (9 years ago)	5 May 2015 (9 years ago)
Launch price (MSRP)	$649	no data

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	1024
Compute units	64	no data
Core clock speed	no data	958 MHz
Boost clock speed	1000 MHz	no data
Number of transistors	8,900 million	2,800 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	175 Watt	80 Watt
Texture fill rate	256.0	61.31
Floating-point processing power	8.192 gflops	1.962 gflops
ROPs	64	32
TMUs	256	64

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	152 mm	no data
Width	2-slot	MXM Module
Supplementary power connectors	1x 8-pin	None
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	High Bandwidth Memory (HBM)	GDDR5
High bandwidth memory (HBM)	+	no data
Maximum RAM amount	4 GB	2 GB
Memory bus width	4096 Bit	256 Bit
Memory clock speed	500 MHz	5.5 GB/s
Memory bandwidth	512 GB/s	174.7 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	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.

AppAcceleration	+	-
CrossFire	+	-
FRTC	+	-
FreeSync	+	-
HD3D	+	-
LiquidVR	+	-
PowerTune	+	-
TressFX	+	-
TrueAudio	+	-
ZeroCore	+	-
VCE	+	-
DDMA audio	+	no data

API compatibility

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

DirectX	DirectX® 12	12 (11_1)
Shader Model	6.3	5.1
OpenGL	4.5	4.6
OpenCL	2.0	1.2
Vulkan	+	1.2
Mantle	+	-

Pros & cons summary

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Recency	10 September 2015	5 May 2015
Maximum RAM amount	4 GB	2 GB
Power consumption (TDP)	175 Watt	80 Watt

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