GeForce GTX 660M Mac Edition vs Radeon Pro W5500

Place in the ranking	234	964
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	42.87	no data
Power efficiency	13.19	2.17
Architecture	RDNA 1.0 (2019−2020)	Kepler (2012−2018)
GPU code name	Navi 14	GK107
Market segment	Workstation	Laptop
Release date	10 February 2020 (4 years ago)	1 April 2013 (11 years ago)
Launch price (MSRP)	$399	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	1408	384
Core clock speed	1187 MHz	950 MHz
Boost clock speed	1400 MHz	no data
Number of transistors	6,400 million	1,270 million
Manufacturing process technology	7 nm	28 nm
Power consumption (TDP)	125 Watt	50 Watt
Texture fill rate	123.2	30.40
Floating-point processing power	3.942 TFLOPS	0.7296 TFLOPS
ROPs	32	16
TMUs	88	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).

Interface	PCIe 4.0 x8	MXM-B (3.0)
Length	267 mm	no data
Width	1-slot	no data
Supplementary power connectors	1x 6-pin	None

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	GDDR6	GDDR5
Maximum RAM amount	8 GB	512 MB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1750 MHz	1250 MHz
Memory bandwidth	224.0 GB/s	80 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

4x DisplayPort

No outputs

API compatibility

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

DirectX	12 (12_1)	12 (11_0)
Shader Model	6.5	5.1
OpenGL	4.6	4.6
OpenCL	2.0	1.2
Vulkan	1.2.131	1.1.126
CUDA	-	3.0

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	23.65	1.56
Recency	10 February 2020	1 April 2013
Maximum RAM amount	8 GB	512 MB
Chip lithography	7 nm	28 nm
Power consumption (TDP)	125 Watt	50 Watt

Pro W5500 has a 1416% higher aggregate performance score, an age advantage of 6 years, a 1500% higher maximum VRAM amount, and a 300% more advanced lithography process.

GTX 660M Mac Edition, on the other hand, has 150% lower power consumption.

The Radeon Pro W5500 is our recommended choice as it beats the GeForce GTX 660M Mac Edition in performance tests.

Be aware that Radeon Pro W5500 is a workstation card while GeForce GTX 660M Mac Edition is a notebook one.

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