ATI Radeon HD 4855 vs R7 360

Primary details

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

Place in the ranking	514	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.32	no data
Power efficiency	5.62	no data
Architecture	GCN 2.0 (2013−2017)	TeraScale (2005−2013)
GPU code name	Tobago	RV770
Market segment	Desktop	Desktop
Design	reference	no data
Release date	18 June 2015 (9 years ago)	3 January 2010 (14 years ago)
Launch price (MSRP)	$109	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	768	640
Core clock speed	no data	575 MHz
Boost clock speed	1000 MHz	no data
Number of transistors	2,080 million	956 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	100 Watt	110 Watt
Texture fill rate	50.40	18.40
Floating-point processing power	1.613 TFLOPS	0.736 TFLOPS
ROPs	16	16
TMUs	48	32

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	165 mm	220 mm
Width	1-slot	2-slot
Supplementary power connectors	1 x 6-pin	1x 6-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	GDDR5
Maximum RAM amount	2 GB	512 MB
Memory bus width	128 Bit	256 Bit
Memory clock speed	6000 MHz	900 MHz
Memory bandwidth	112 GB/s	115.2 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 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 compatibility

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

DirectX	DirectX® 12	10.1 (10_1)
Shader Model	6.3	4.1
OpenGL	4.6	3.3
OpenCL	2.0	1.1
Vulkan	+	N/A
Mantle	+	-

Pros & cons summary

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Recency	18 June 2015	3 January 2010
Maximum RAM amount	2 GB	512 MB
Chip lithography	28 nm	55 nm
Power consumption (TDP)	100 Watt	110 Watt

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