GeForce GTX 660M Mac Edition vs Radeon HD 7870

Place in performance ranking	376	926
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.81	0.04
Architecture	GCN (2011−2017)	Kepler (2012−2018)
GPU code name	Pitcairn XT	GK107
Market segment	Desktop	Desktop
Release date	5 March 2012 (12 years ago)	1 April 2013 (11 years ago)
Launch price (MSRP)	$412.83	no data
Current price	$200 (0.5x MSRP)	$149

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

HD 7870 has 6925% better value for money than GTX 660M Mac Edition.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1280	384
Core clock speed	1000 MHz	950 MHz
Number of transistors	2800 Million	1,270 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	175 Watt	50 Watt
Texture fill rate	80.00	30.40
Floating-point performance	no data	729.6 gflops

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 3.0 x16	MXM-B (3.0)
Length	241 mm	no data
Width	2-slot	MXM Module
Supplementary power connectors	2x 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	GDDR5	GDDR5
Maximum RAM amount	2 GB	512 MB
Memory bus width	256 Bit	128 Bit
Memory clock speed	4800 MHz	5000 MHz
Memory bandwidth	153.6 GB/s	80 GB/s
Shared memory	-	no data

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	1x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
Eyefinity	+	no data
HDMI	+	no data

API compatibility

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

DirectX	12 (11_1)	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	1.2.131	1.1.126
CUDA	no data	3.0

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:

900p	84 +740%	10−12 −740%
Full HD	72 +700%	9−10 −700%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

140−150

+637%

18−20
−637%

Full HD
Medium Preset

Assassin's Creed Odyssey	190−200 +660%	24−27 −660%
Assassin's Creed Valhalla	140−150 +637%	18−20 −637%
Battlefield 5	290−300 +663%	35−40 −663%
Call of Duty: Modern Warfare	180−190 +650%	24−27 −650%
Cyberpunk 2077	140−150 +637%	18−20 −637%
Far Cry 5	210−220 +650%	27−30 −650%
Far Cry New Dawn	250−260 +658%	30−35 −658%
Forza Horizon 4	400−450 +590%	55−60 −590%
Hitman 3	170−180 +639%	21−24 −639%
Horizon Zero Dawn	350−400 +614%	45−50 −614%
Metro Exodus	300−310 +669%	35−40 −669%
Red Dead Redemption 2	260−270 +665%	30−35 −665%
Shadow of the Tomb Raider	280−290 +657%	35−40 −657%
Watch Dogs: Legion	300−310 +632%	40−45 −632%

Full HD
High Preset

Assassin's Creed Odyssey	190−200 +660%	24−27 −660%
Assassin's Creed Valhalla	140−150 +637%	18−20 −637%
Battlefield 5	290−300 +663%	35−40 −663%
Call of Duty: Modern Warfare	180−190 +650%	24−27 −650%
Cyberpunk 2077	140−150 +637%	18−20 −637%
Far Cry 5	210−220 +650%	27−30 −650%
Far Cry New Dawn	250−260 +658%	30−35 −658%
Forza Horizon 4	400−450 +590%	55−60 −590%
Hitman 3	170−180 +639%	21−24 −639%
Horizon Zero Dawn	350−400 +614%	45−50 −614%
Metro Exodus	300−310 +669%	35−40 −669%
Red Dead Redemption 2	260−270 +665%	30−35 −665%
Shadow of the Tomb Raider	280−290 +657%	35−40 −657%
The Witcher 3: Wild Hunt	270−280 +650%	36 −650%
Watch Dogs: Legion	300−310 +632%	40−45 −632%

Full HD
Ultra Preset

Assassin's Creed Odyssey	190−200 +660%	24−27 −660%
Assassin's Creed Valhalla	140−150 +637%	18−20 −637%
Call of Duty: Modern Warfare	180−190 +650%	24−27 −650%
Cyberpunk 2077	140−150 +637%	18−20 −637%
Far Cry 5	210−220 +650%	27−30 −650%
Forza Horizon 4	400−450 +590%	55−60 −590%
Horizon Zero Dawn	350−400 +614%	45−50 −614%
Shadow of the Tomb Raider	280−290 +657%	35−40 −657%
The Witcher 3: Wild Hunt	150−160 +650%	20 −650%
Watch Dogs: Legion	300−310 +632%	40−45 −632%

Full HD
Epic Preset

Red Dead Redemption 2

260−270

+665%

30−35
−665%

1440p
High Preset

Battlefield 5	170−180 +639%	21−24 −639%
Far Cry New Dawn	160−170 +662%	21−24 −662%

1440p
Ultra Preset

Assassin's Creed Odyssey	90−95 +650%	12−14 −650%
Assassin's Creed Valhalla	60−65 +650%	8−9 −650%
Call of Duty: Modern Warfare	100−105 +614%	14−16 −614%
Cyberpunk 2077	45−50 +650%	6−7 −650%
Far Cry 5	140−150 +637%	18−20 −637%
Forza Horizon 4	160−170 +627%	21−24 −627%
Hitman 3	110−120 +633%	14−16 −633%
Horizon Zero Dawn	190−200 +660%	24−27 −660%
Metro Exodus	140−150 +637%	18−20 −637%
Shadow of the Tomb Raider	140−150 +637%	18−20 −637%
The Witcher 3: Wild Hunt	90−95 +650%	12−14 −650%
Watch Dogs: Legion	50−55 +614%	7−8 −614%

1440p
Epic Preset

Red Dead Redemption 2

150−160

+650%

20−22
−650%

4K
High Preset

Battlefield 5	80−85 +627%	10−12 −627%
Far Cry New Dawn	65−70 +622%	9−10 −622%
Hitman 3	60−65 +650%	8−9 −650%
Horizon Zero Dawn	100−105 +669%	12−14 −669%
Shadow of the Tomb Raider	50−55 +614%	7−8 −614%
The Witcher 3: Wild Hunt	75−80 +650%	10−11 −650%

4K
Ultra Preset

Assassin's Creed Odyssey	50−55 +614%	7−8 −614%
Assassin's Creed Valhalla	35−40 +600%	5−6 −600%
Call of Duty: Modern Warfare	45−50 +650%	6−7 −650%
Cyberpunk 2077	14−16 +600%	2−3 −600%
Far Cry 5	45−50 +650%	6−7 −650%
Forza Horizon 4	120−130 +650%	16−18 −650%
Horizon Zero Dawn	100−105 +669%	12−14 −669%
Metro Exodus	90−95 +650%	12−14 −650%
Watch Dogs: Legion	30−33 +650%	4−5 −650%