Iris Plus Graphics 645 vs Radeon R9 M295X Mac Edition

Place in the ranking	384	668
Place by popularity	not in top-100	not in top-100
Power efficiency	3.70	20.51
Architecture	GCN 3.0 (2014−2019)	Generation 9.5 (2016−2020)
GPU code name	Amethyst	Coffee Lake GT3e
Market segment	Laptop	Laptop
Release date	23 November 2014 (10 years ago)	7 October 2019 (5 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	384
Core clock speed	850 MHz	300 MHz
Boost clock speed	no data	1050 MHz
Number of transistors	5,000 million	no data
Manufacturing process technology	28 nm	14 nm+++
Power consumption (TDP)	250 Watt	15 Watt
Texture fill rate	108.8	50.40
Floating-point processing power	3.482 TFLOPS	0.8064 TFLOPS
ROPs	32	6
TMUs	128	48

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

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
Maximum RAM amount	4 GB	System Shared
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

75−80
+200%

−200%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	12−14 +0%	12−14 +0%
Cyberpunk 2077	10−11 +0%	10−11 +0%

Full HD
Medium Preset

Battlefield 5	12−14 +0%	12−14 +0%
Counter-Strike 2	12−14 +0%	12−14 +0%
Cyberpunk 2077	10−11 +0%	10−11 +0%
Forza Horizon 4	18−20 +0%	18−20 +0%
Forza Horizon 5	8−9 +0%	8−9 +0%
Metro Exodus	10−11 +0%	10−11 +0%
Red Dead Redemption 2	14−16 +0%	14−16 +0%
Valorant	10−12 +0%	10−12 +0%

Full HD
High Preset

Battlefield 5	12−14 +0%	12−14 +0%
Counter-Strike 2	12−14 +0%	12−14 +0%
Cyberpunk 2077	10−11 +0%	10−11 +0%
Dota 2	10 +0%	10 +0%
Far Cry 5	23 +0%	23 +0%
Fortnite	24−27 +0%	24−27 +0%
Forza Horizon 4	18−20 +0%	18−20 +0%
Forza Horizon 5	8−9 +0%	8−9 +0%
Grand Theft Auto V	14−16 +0%	14−16 +0%
Metro Exodus	10−11 +0%	10−11 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	35−40 +0%	35−40 +0%
Red Dead Redemption 2	14−16 +0%	14−16 +0%
The Witcher 3: Wild Hunt	14−16 +0%	14−16 +0%
Valorant	10−12 +0%	10−12 +0%
World of Tanks	70−75 +0%	70−75 +0%

Full HD
Ultra Preset

Battlefield 5	12−14 +0%	12−14 +0%
Counter-Strike 2	12−14 +0%	12−14 +0%
Cyberpunk 2077	10−11 +0%	10−11 +0%
Dota 2	27 +0%	27 +0%
Far Cry 5	21−24 +0%	21−24 +0%
Forza Horizon 4	18−20 +0%	18−20 +0%
Forza Horizon 5	8−9 +0%	8−9 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	35−40 +0%	35−40 +0%
Valorant	10−12 +0%	10−12 +0%

1440p
High Preset

Dota 2	4−5 +0%	4−5 +0%
Grand Theft Auto V	4−5 +0%	4−5 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	30−33 +0%	30−33 +0%
Red Dead Redemption 2	3−4 +0%	3−4 +0%
World of Tanks	30−35 +0%	30−35 +0%

1440p
Ultra Preset

Battlefield 5	6−7 +0%	6−7 +0%
Counter-Strike 2	3−4 +0%	3−4 +0%
Cyberpunk 2077	5−6 +0%	5−6 +0%
Far Cry 5	10−11 +0%	10−11 +0%
Forza Horizon 4	6−7 +0%	6−7 +0%
Forza Horizon 5	6−7 +0%	6−7 +0%
Metro Exodus	2−3 +0%	2−3 +0%
The Witcher 3: Wild Hunt	7−8 +0%	7−8 +0%
Valorant	12−14 +0%	12−14 +0%

4K
High Preset

Counter-Strike 2	10−11 +0%	10−11 +0%
Dota 2	16−18 +0%	16−18 +0%
Grand Theft Auto V	16−18 +0%	16−18 +0%
Metro Exodus	0−1	0−1
PLAYERUNKNOWN'S BATTLEGROUNDS	12−14 +0%	12−14 +0%
Red Dead Redemption 2	3−4 +0%	3−4 +0%
The Witcher 3: Wild Hunt	16−18 +0%	16−18 +0%

4K
Ultra Preset

Battlefield 5	4−5 +0%	4−5 +0%
Counter-Strike 2	10−11 +0%	10−11 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Dota 2	16−18 +0%	16−18 +0%
Far Cry 5	5−6 +0%	5−6 +0%
Fortnite	3−4 +0%	3−4 +0%
Forza Horizon 4	3−4 +0%	3−4 +0%
Forza Horizon 5	2−3 +0%	2−3 +0%
Valorant	4−5 +0%	4−5 +0%

This is how R9 M295X Mac Edition and Iris Plus Graphics 645 compete in popular games:

R9 M295X Mac Edition is 200% faster in 1080p

All in all, in popular games:

there's a draw in 63 tests (100%)

Pros & cons summary

Performance score	13.45	4.47
Recency	23 November 2014	7 October 2019
Chip lithography	28 nm	14 nm
Power consumption (TDP)	250 Watt	15 Watt

R9 M295X Mac Edition has a 200.9% higher aggregate performance score.

Iris Plus Graphics 645, on the other hand, has an age advantage of 4 years, 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 Plus Graphics 645 in performance tests.

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