Radeon RX 7600 XT vs GeForce GTX 660M Mac Edition

Place in the ranking	964	79
Place by popularity	not in top-100	89
Cost-effectiveness evaluation	no data	77.58
Power efficiency	2.17	16.28
Architecture	Kepler (2012−2018)	RDNA 3.0 (2022−2024)
GPU code name	GK107	Navi 33
Market segment	Laptop	Desktop
Release date	1 April 2013 (11 years ago)	8 January 2024 (less than a year ago)
Launch price (MSRP)	no data	$329

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	384	2048
Core clock speed	950 MHz	1980 MHz
Boost clock speed	no data	2755 MHz
Number of transistors	1,270 million	13,300 million
Manufacturing process technology	28 nm	6 nm
Power consumption (TDP)	50 Watt	190 Watt
Texture fill rate	30.40	352.6
Floating-point processing power	0.7296 TFLOPS	22.57 TFLOPS
ROPs	16	64
TMUs	32	128
Ray Tracing Cores	no data	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	MXM-B (3.0)	PCIe 4.0 x8
Length	no data	204 mm
Width	no data	2-slot
Supplementary power connectors	None	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	GDDR6
Maximum RAM amount	512 MB	16 GB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1250 MHz	2250 MHz
Memory bandwidth	80 GB/s	288.0 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 HDMI 2.1a, 3x DisplayPort 2.1
HDMI	-	+

API compatibility

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

DirectX	12 (11_0)	12 Ultimate (12_2)
Shader Model	5.1	6.7
OpenGL	4.6	4.6
OpenCL	1.2	2.2
Vulkan	1.1.126	1.3
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	1.56	44.49
Recency	1 April 2013	8 January 2024
Maximum RAM amount	512 MB	16 GB
Chip lithography	28 nm	6 nm
Power consumption (TDP)	50 Watt	190 Watt

GTX 660M Mac Edition has 280% lower power consumption.

RX 7600 XT, on the other hand, has a 2751.9% higher aggregate performance score, an age advantage of 10 years, a 3100% higher maximum VRAM amount, and a 366.7% more advanced lithography process.

The Radeon RX 7600 XT is our recommended choice as it beats the GeForce GTX 660M Mac Edition in performance tests.

Be aware that GeForce GTX 660M Mac Edition is a notebook card while Radeon RX 7600 XT is a desktop one.

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