GeForce GTX 660M vs Radeon R9 M295X Mac Edition

Aggregate performance score

We've compared Radeon R9 M295X Mac Edition and GeForce GTX 660M, covering specs and all relevant benchmarks.

R9 M295X Mac Edition
2014
4 GB GDDR5, 250 Watt
13.39
+257%

R9 M295X Mac Edition outperforms GTX 660M by a whopping 257% based on our aggregate benchmark results.

Primary details

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

Place in the ranking381705
Place by popularitynot in top-100not in top-100
Power efficiency3.735.23
ArchitectureGCN 3.0 (2014−2019)Kepler (2012−2018)
GPU code nameAmethystGK107
Market segmentLaptopLaptop
Release date23 November 2014 (10 years ago)22 March 2012 (12 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 cores2048384
Core clock speed850 MHz835 MHz
Boost clock speedno data950 MHz
Number of transistors5,000 million1,270 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)250 Watt50 Watt
Texture fill rate108.830.40
Floating-point processing power3.482 TFLOPS0.7296 TFLOPS
ROPs3216
TMUs12832

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).

Laptop sizeno datalarge
Bus supportno dataPCI Express 2.0, PCI Express 3.0
InterfaceMXM-B (3.0)MXM-B (3.0)
SLI options-+

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 typeGDDR5GDDR5
Maximum RAM amount4 GB1 GB
Memory bus width256 Bit128bit
Memory clock speed1362 MHz2000 MHz
Memory bandwidth174.3 GB/s64.0 GB/s
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 ConnectorsNo outputsNo outputs
HDMI-+
HDCP-+
Maximum VGA resolutionno dataUp to 2048x1536

Supported technologies

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

Optimus-+

API compatibility

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

DirectX12 (12_0)12 API
Shader Model6.35.1
OpenGL4.64.5
OpenCL2.01.1
Vulkan1.2.1311.1.126
CUDA-+

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:

900p110−120
+244%
32
−244%
Full HD120−130
+243%
35
−243%
1200p130−140
+242%
38
−242%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 7−8
+0%
7−8
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 8−9
+0%
8−9
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 10−11
+0%
10−11
+0%
Forza Horizon 4 21−24
+0%
21−24
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Metro Exodus 7−8
+0%
7−8
+0%
Red Dead Redemption 2 9−10
+0%
9−10
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
High Preset

Assassin's Creed Odyssey 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 8−9
+0%
8−9
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 10−11
+0%
10−11
+0%
Forza Horizon 4 21−24
+0%
21−24
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Metro Exodus 7−8
+0%
7−8
+0%
Red Dead Redemption 2 9−10
+0%
9−10
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 10−12
+0%
10−12
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 8−9
+0%
8−9
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 8−9
+0%
8−9
+0%
Forza Horizon 4 21−24
+0%
21−24
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 24−27
+0%
24−27
+0%
Shadow of the Tomb Raider 14−16
+0%
14−16
+0%
The Witcher 3: Wild Hunt 14−16
+0%
14−16
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Epic Preset

Red Dead Redemption 2 9−10
+0%
9−10
+0%

1440p
High Preset

Battlefield 5 7−8
+0%
7−8
+0%
Far Cry New Dawn 6−7
+0%
6−7
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Far Cry 5 4−5
+0%
4−5
+0%
Forza Horizon 4 3−4
+0%
3−4
+0%
Hitman 3 8−9
+0%
8−9
+0%
Horizon Zero Dawn 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 3−4
+0%
3−4
+0%
Watch Dogs: Legion 21−24
+0%
21−24
+0%

1440p
Epic Preset

Red Dead Redemption 2 7−8
+0%
7−8
+0%

4K
High Preset

Battlefield 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Metro Exodus 0−1 0−1

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 1−2
+0%
1−2
+0%
Cyberpunk 2077 0−1 0−1
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 2−3
+0%
2−3
+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 GTX 660M compete in popular games:

  • R9 M295X Mac Edition is 244% faster in 900p
  • R9 M295X Mac Edition is 243% faster in 1080p
  • R9 M295X Mac Edition is 242% faster in 1200p

All in all, in popular games:

  • there's a draw in 63 tests (100%)

Pros & cons summary


Performance score 13.39 3.75
Recency 23 November 2014 22 March 2012
Maximum RAM amount 4 GB 1 GB
Power consumption (TDP) 250 Watt 50 Watt

R9 M295X Mac Edition has a 257.1% higher aggregate performance score, an age advantage of 2 years, and a 300% higher maximum VRAM amount.

GTX 660M, on the other hand, has 400% lower power consumption.

The Radeon R9 M295X Mac Edition is our recommended choice as it beats the GeForce GTX 660M in performance tests.


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

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AMD Radeon R9 M295X Mac Edition
Radeon R9 M295X Mac Edition
NVIDIA GeForce GTX 660M
GeForce GTX 660M

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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2.8 6 votes

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3.6 210 votes

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Questions & comments

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