GMA 950 vs Radeon R9 390

Primary details

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

Place in the ranking	242	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	11.78	no data
Power efficiency	5.76	no data
Architecture	GCN 2.0 (2013−2017)	Generation 3.5 (2005)
GPU code name	Grenada	Lakeport
Market segment	Desktop	Laptop
Design	reference	no data
Release date	18 June 2015 (9 years ago)	1 May 2005 (19 years ago)
Launch price (MSRP)	$329	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	2560	no data
Core clock speed	no data	166 MHz
Boost clock speed	1000 MHz	no data
Number of transistors	6,200 million	no data
Manufacturing process technology	28 nm	90 nm
Power consumption (TDP)	275 Watt	7 Watt
Texture fill rate	160.0	0.66
Floating-point processing power	5.12 TFLOPS	no data
ROPs	64	1
TMUs	160	4

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 1.0 x16
Length	275 mm	no data
Width	2-slot	no data
Supplementary power connectors	1 x 6-pin, 1 x 8-pin	no data
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	System Shared
High bandwidth memory (HBM)	-	no data
Maximum RAM amount	0 MB	System Shared
Memory bus width	512 Bit	System Shared
Memory clock speed	1000 MHz	System Shared
Memory bandwidth	384 GB/s	no data
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	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 3D and general-purpose computing APIs, including their specific versions.

DirectX	DirectX® 12	9.0c
Shader Model	6.3	3.0
OpenGL	4.6	2.0
OpenCL	2.0	N/A
Vulkan	+	N/A
Mantle	+	-

Pros & cons summary

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Recency	18 June 2015	1 May 2005
Chip lithography	28 nm	90 nm
Power consumption (TDP)	275 Watt	7 Watt

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