Radeon RX 580 2048SP vs R9 M295X Mac Edition

Place in the ranking	383	276
Place by popularity	not in top-100	53
Power efficiency	3.67	9.11
Architecture	GCN 3.0 (2014−2019)	GCN 4.0 (2016−2020)
GPU code name	Amethyst	Polaris 20
Market segment	Laptop	Desktop
Release date	23 November 2014 (10 years ago)	15 October 2018 (6 years ago)

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	2048	2048
Core clock speed	850 MHz	1168 MHz
Boost clock speed	no data	1284 MHz
Number of transistors	5,000 million	5,700 million
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	250 Watt	150 Watt
Texture fill rate	108.8	164.4
Floating-point processing power	3.482 TFLOPS	5.259 TFLOPS
ROPs	32	32
TMUs	128	128

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).

Interface	MXM-B (3.0)	PCIe 3.0 x16
Length	no data	241 mm
Width	no data	2-slot
Supplementary power connectors	no data	1x 8-pin

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	4 GB	8 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	1362 MHz	1750 MHz
Memory bandwidth	174.3 GB/s	224.0 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	No outputs	1x DVI, 1x HDMI, 3x DisplayPort
HDMI	-	+

API compatibility

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

DirectX	12 (12_0)	12 (12_0)
Shader Model	6.3	6.4
OpenGL	4.6	4.6
OpenCL	2.0	2.0
Vulkan	1.2.131	1.2.131

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	13.40	19.94
Recency	23 November 2014	15 October 2018
Maximum RAM amount	4 GB	8 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	250 Watt	150 Watt

RX 580 2048SP has a 48.8% higher aggregate performance score, an age advantage of 3 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 66.7% lower power consumption.

The Radeon RX 580 2048SP is our recommended choice as it beats the Radeon R9 M295X Mac Edition in performance tests.

Be aware that Radeon R9 M295X Mac Edition is a notebook card while Radeon RX 580 2048SP is a desktop one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.