Iris Pro Graphics 580 vs Radeon R9 M295X Mac Edition

Place in the ranking	378	636
Place by popularity	not in top-100	not in top-100
Power efficiency	3.71	22.02
Architecture	GCN 3.0 (2014−2019)	Generation 9.0 (2015−2016)
GPU code name	Amethyst	Skylake GT4e
Market segment	Laptop	Desktop
Release date	23 November 2014 (9 years ago)	1 September 2015 (9 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	576
Core clock speed	850 MHz	350 MHz
Boost clock speed	no data	950 MHz
Number of transistors	5,000 million	189 million
Manufacturing process technology	28 nm	14 nm+
Power consumption (TDP)	250 Watt	15 Watt
Texture fill rate	108.8	68.40
Floating-point processing power	3.482 TFLOPS	1.094 TFLOPS
ROPs	32	9
TMUs	128	72

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)	Ring Bus
Width	no data	IGP

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	DDR3L/LPDDR3/DDR4
Maximum RAM amount	4 GB	64 GB
Memory bus width	256 Bit	System Shared
Memory clock speed	1362 MHz	System Shared
Memory bandwidth	174.3 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

No outputs

Portable Device Dependent

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync

no data

API compatibility

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

DirectX	12 (12_0)	12 (12_1)
Shader Model	6.3	6.4
OpenGL	4.6	4.6
OpenCL	2.0	3.0
Vulkan	1.2.131	1.3

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD

50−55
+163%

−163%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

8−9

+0%

8−9

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	12−14 +0%	12−14 +0%
Assassin's Creed Valhalla	5−6 +0%	5−6 +0%
Battlefield 5	12−14 +0%	12−14 +0%
Call of Duty: Modern Warfare	10−11 +0%	10−11 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Far Cry 5	10−11 +0%	10−11 +0%
Far Cry New Dawn	12−14 +0%	12−14 +0%
Forza Horizon 4	30−33 +0%	30−33 +0%
Hitman 3	10−11 +0%	10−11 +0%
Horizon Zero Dawn	30−35 +0%	30−35 +0%
Metro Exodus	10−12 +0%	10−12 +0%
Red Dead Redemption 2	12−14 +0%	12−14 +0%
Shadow of the Tomb Raider	16−18 +0%	16−18 +0%
Watch Dogs: Legion	45−50 +0%	45−50 +0%

Full HD
High Preset

Assassin's Creed Odyssey	12−14 +0%	12−14 +0%
Assassin's Creed Valhalla	5−6 +0%	5−6 +0%
Battlefield 5	12−14 +0%	12−14 +0%
Call of Duty: Modern Warfare	10−11 +0%	10−11 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Far Cry 5	10−11 +0%	10−11 +0%
Far Cry New Dawn	12−14 +0%	12−14 +0%
Forza Horizon 4	30−33 +0%	30−33 +0%
Hitman 3	10−11 +0%	10−11 +0%
Horizon Zero Dawn	30−35 +0%	30−35 +0%
Metro Exodus	10−12 +0%	10−12 +0%
Red Dead Redemption 2	12−14 +0%	12−14 +0%
Shadow of the Tomb Raider	16−18 +0%	16−18 +0%
The Witcher 3: Wild Hunt	16−18 +0%	16−18 +0%
Watch Dogs: Legion	45−50 +0%	45−50 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	12−14 +0%	12−14 +0%
Assassin's Creed Valhalla	5−6 +0%	5−6 +0%
Call of Duty: Modern Warfare	10−11 +0%	10−11 +0%
Cyberpunk 2077	8−9 +0%	8−9 +0%
Far Cry 5	10−11 +0%	10−11 +0%
Forza Horizon 4	30−33 +0%	30−33 +0%
Hitman 3	10−11 +0%	10−11 +0%
Horizon Zero Dawn	30−35 +0%	30−35 +0%
Shadow of the Tomb Raider	16−18 +0%	16−18 +0%
The Witcher 3: Wild Hunt	16−18 +0%	16−18 +0%
Watch Dogs: Legion	45−50 +0%	45−50 +0%

Full HD
Epic Preset

Red Dead Redemption 2

12−14

+0%

12−14

+0%

1440p
High Preset

Battlefield 5	9−10 +0%	9−10 +0%
Far Cry New Dawn	7−8 +0%	7−8 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	4−5 +0%	4−5 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Far Cry 5	5−6 +0%	5−6 +0%
Forza Horizon 4	10−11 +0%	10−11 +0%
Hitman 3	9−10 +0%	9−10 +0%
Horizon Zero Dawn	10−12 +0%	10−12 +0%
Metro Exodus	2−3 +0%	2−3 +0%
The Witcher 3: Wild Hunt	4−5 +0%	4−5 +0%
Watch Dogs: Legion	30−33 +0%	30−33 +0%

1440p
Epic Preset

Red Dead Redemption 2

9−10

+0%

9−10

+0%

4K
High Preset

Battlefield 5	3−4 +0%	3−4 +0%
Far Cry New Dawn	3−4 +0%	3−4 +0%
Hitman 3	1−2 +0%	1−2 +0%
Horizon Zero Dawn	5−6 +0%	5−6 +0%
Metro Exodus	1−2 +0%	1−2 +0%
The Witcher 3: Wild Hunt	1−2 +0%	1−2 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Assassin's Creed Valhalla	2−3 +0%	2−3 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	0−1	0−1
Far Cry 5	2−3 +0%	2−3 +0%
Forza Horizon 4	4−5 +0%	4−5 +0%
Watch Dogs: Legion	1−2 +0%	1−2 +0%

4K
Epic Preset

Red Dead Redemption 2

5−6

+0%

5−6

+0%

This is how R9 M295X Mac Edition and Iris Pro Graphics 580 compete in popular games:

R9 M295X Mac Edition is 163% faster in 1080p

All in all, in popular games:

there's a draw in 68 tests (100%)

Pros & cons summary

Performance score	13.39	4.77
Recency	23 November 2014	1 September 2015
Maximum RAM amount	4 GB	64 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	250 Watt	15 Watt

R9 M295X Mac Edition has a 180.7% higher aggregate performance score.

Iris Pro Graphics 580, on the other hand, has an age advantage of 9 months, a 1500% higher maximum VRAM amount, a 100% more advanced lithography process, and 1566.7% lower power consumption.

The Radeon R9 M295X Mac Edition is our recommended choice as it beats the Iris Pro Graphics 580 in performance tests.

Be aware that Radeon R9 M295X Mac Edition is a notebook card while Iris Pro Graphics 580 is a desktop one.

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