Radeon HD 6530 vs R9 390X

Primary details

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

Place in the ranking	275	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.56	no data
Power efficiency	6.17	no data
Architecture	GCN 2.0 (2013−2017)	TeraScale 2 (2009−2015)
GPU code name	Grenada	Redwood
Market segment	Desktop	Desktop
Design	reference	no data
Release date	18 June 2015 (10 years ago)	14 May 2011 (14 years ago)
Launch price (MSRP)	$429	no data

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

Performance to price scatter graph

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	2816	400
Core clock speed	no data	650 MHz
Boost clock speed	1050 MHz	no data
Number of transistors	6,200 million	627 million
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	275 Watt	39 Watt
Texture fill rate	184.8	13.00
Floating-point processing power	5.914 TFLOPS	0.52 TFLOPS
ROPs	64	8
TMUs	176	20

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 2.0 x16
Length	275 mm	165 mm
Width	2-slot	1-slot
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	GDDR3
High bandwidth memory (HBM)	-	no data
Maximum RAM amount	0 MB	1 GB
Memory bus width	512 Bit	128 Bit
Memory clock speed	1050 MHz	600 MHz
Memory bandwidth	384 GB/s	19.2 GB/s
Shared memory	-	-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x HDMI, 1x VGA
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 and SDK compatibility

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

DirectX	DirectX® 12	11.2 (11_0)
Shader Model	6.3	5.0
OpenGL	4.6	4.4
OpenCL	2.0	1.2
Vulkan	+	N/A
Mantle	+	-

Pros & cons summary

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Recency	18 June 2015	14 May 2011
Chip lithography	28 nm	40 nm
Power consumption (TDP)	275 Watt	39 Watt

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