Radeon RX 7900 GRE vs GeForce GTX 660

Place in performance ranking	405	21
Place by popularity	69	not in top-100
Cost-effectiveness evaluation	2.41	29.21
Architecture	Kepler (2012−2018)	RDNA 3
GPU code name	GK106	Navi 31
Market segment	Desktop	Desktop
Release date	6 September 2012 (11 years ago)	27 July 2023 (less than a year ago)
Launch price (MSRP)	$229	no data
Current price	$172 (0.8x MSRP)	$723

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 7900 GRE has 1112% better value for money than GTX 660.

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	960	5120
CUDA cores	960	no data
Core clock speed	980 MHz	no data
Boost clock speed	1033 MHz	2245 MHz
Number of transistors	2,540 million	57,700 million
Manufacturing process technology	28 nm	5 nm
Power consumption (TDP)	140 Watt	260 Watt
Texture fill rate	78.4 billion/sec	718.4
Floating-point performance	1,981 gflops	no data

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).

Bus support	PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 4.0 x16
Length	9.5" (24.1 cm)	276 mm
Height	4.376" (11.1 cm)	no data
Width	2-slot	2-slot
Supplementary power connectors	One 6-pin	2x 8-pin
SLI options	+	no data

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	2 GB	16 GB
Memory bus width	192-bit GDDR5	256 Bit
Memory clock speed	6.0 GB/s	18000 MHz
Memory bandwidth	144.2 GB/s	576.0 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	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort	1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Multi monitor support	4 displays	no data
HDMI	+	+
HDCP	+	no data
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	Internal	no data

Supported technologies

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

3D Blu-Ray	+	no data
3D Gaming	+	no data
3D Vision	+	no data

API compatibility

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

DirectX	12 (11_0)	12 Ultimate (12_2)
Shader Model	5.1	6.7
OpenGL	4.3	4.6
OpenCL	1.2	2.2
Vulkan	1.1.126	1.3
CUDA	+	no data

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GTX 660 10.35

RX 7900 GRE 68.98
+566%

Radeon RX 7900 GRE outperforms GeForce GTX 660 by 566% based on our aggregate benchmark results.

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Benchmark coverage: 25%

GTX 660 3999

RX 7900 GRE 26643
+566%

Radeon RX 7900 GRE outperforms GeForce GTX 660 by 566% in Passmark.

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

Benchmark coverage: 14%

GTX 660 5040

RX 7900 GRE 54610
+984%

Radeon RX 7900 GRE outperforms GeForce GTX 660 by 984% in 3DMark Fire Strike Graphics.

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	47 −326%	200 +326%
1440p	18−20 −628%	131 +628%
4K	10−12 −680%	78 +680%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

208
−549%

1350−1400

+549%

Full HD
Medium Preset

Assassin's Creed Odyssey	110−120 −536%	700−750 +536%
Assassin's Creed Valhalla	120−130 −561%	800−850 +561%
Battlefield 5	220−230 −556%	1450−1500 +556%
Call of Duty: Modern Warfare	110−120 −530%	750−800 +530%
Cyberpunk 2077	184 −552%	1200−1250 +552%
Far Cry 5	110−120 −541%	750−800 +541%
Far Cry New Dawn	160−170 −551%	1100−1150 +551%
Forza Horizon 4	210−220 −548%	1400−1450 +548%
Hitman 3	120−130 −556%	800−850 +556%
Horizon Zero Dawn	446 −561%	2950−3000 +561%
Metro Exodus	140−150 −564%	950−1000 +564%
Red Dead Redemption 2	120−130 −545%	800−850 +545%
Shadow of the Tomb Raider	487 −557%	3200−3250 +557%
Watch Dogs: Legion	130−140 −534%	850−900 +534%

Full HD
High Preset

Assassin's Creed Odyssey	110−120 −536%	700−750 +536%
Assassin's Creed Valhalla	120−130 −561%	800−850 +561%
Battlefield 5	220−230 −556%	1450−1500 +556%
Call of Duty: Modern Warfare	110−120 −530%	750−800 +530%
Cyberpunk 2077	158 −565%	1050−1100 +565%
Far Cry 5	110−120 −541%	750−800 +541%
Far Cry New Dawn	160−170 −551%	1100−1150 +551%
Forza Horizon 4	210−220 −548%	1400−1450 +548%
Hitman 3	120−130 −556%	800−850 +556%
Horizon Zero Dawn	290−300 −551%	1900−1950 +551%
Metro Exodus	71 −534%	450−500 +534%
Red Dead Redemption 2	120−130 −545%	800−850 +545%
Shadow of the Tomb Raider	403 −558%	2650−2700 +558%
The Witcher 3: Wild Hunt	382 −554%	2500−2550 +554%
Watch Dogs: Legion	130−140 −534%	850−900 +534%

Full HD
Ultra Preset

Assassin's Creed Odyssey	110−120 −536%	700−750 +536%
Assassin's Creed Valhalla	120−130 −561%	800−850 +561%
Call of Duty: Modern Warfare	110−120 −530%	750−800 +530%
Cyberpunk 2077	148 −542%	950−1000 +542%
Far Cry 5	110−120 −541%	750−800 +541%
Forza Horizon 4	210−220 −548%	1400−1450 +548%
Horizon Zero Dawn	294 −563%	1950−2000 +563%
Shadow of the Tomb Raider	353 −566%	2350−2400 +566%
The Witcher 3: Wild Hunt	209 −546%	1350−1400 +546%
Watch Dogs: Legion	130−140 −534%	850−900 +534%

Full HD
Epic Preset

Red Dead Redemption 2

120−130

−545%

800−850
+545%

1440p
High Preset

Battlefield 5	160−170 −536%	1050−1100 +536%
Far Cry New Dawn	140−150 −560%	950−1000 +560%

1440p
Ultra Preset

Assassin's Creed Odyssey	80−85 −525%	500−550 +525%
Assassin's Creed Valhalla	85−90 −540%	550−600 +540%
Call of Duty: Modern Warfare	100−110 −519%	650−700 +519%
Cyberpunk 2077	98 −563%	650−700 +563%
Far Cry 5	154 −549%	1000−1050 +549%
Forza Horizon 4	160−170 −563%	1100−1150 +563%
Hitman 3	100−110 −544%	650−700 +544%
Horizon Zero Dawn	231 −549%	1500−1550 +549%
Metro Exodus	128 −564%	850−900 +564%
Shadow of the Tomb Raider	252 −555%	1650−1700 +555%
The Witcher 3: Wild Hunt	156 −541%	1000−1050 +541%
Watch Dogs: Legion	75−80 −558%	500−550 +558%

1440p
Epic Preset

Red Dead Redemption 2

110−120

−558%

750−800
+558%

4K
High Preset

Battlefield 5	85−90 −532%	550−600 +532%
Far Cry New Dawn	65−70 −552%	450−500 +552%
Hitman 3	60−65 −483%	350−400 +483%
Horizon Zero Dawn	100−110 −560%	700−750 +560%
Shadow of the Tomb Raider	87 −532%	550−600 +532%
The Witcher 3: Wild Hunt	125 −540%	800−850 +540%

4K
Ultra Preset

Assassin's Creed Odyssey	55−60 −514%	350−400 +514%
Assassin's Creed Valhalla	50−55 −548%	350−400 +548%
Call of Duty: Modern Warfare	50−55 −488%	300−310 +488%
Cyberpunk 2077	45 −544%	290−300 +544%
Far Cry 5	50−55 −500%	300−310 +500%
Forza Horizon 4	110−120 −530%	750−800 +530%
Horizon Zero Dawn	140 −543%	900−950 +543%
Metro Exodus	109 −542%	700−750 +542%
Watch Dogs: Legion	40−45 −559%	290−300 +559%

4K
Epic Preset

Red Dead Redemption 2

70−75
−508%

450−500

+508%

This is how GTX 660 and RX 7900 GRE compete in popular games:

RX 7900 GRE is 326% faster in 1080p
RX 7900 GRE is 628% faster in 1440p
RX 7900 GRE is 680% faster in 4K

Pros & cons summary

Performance score	10.35	68.98
Recency	6 September 2012	27 July 2023
Maximum RAM amount	2 GB	16 GB
Chip lithography	28 nm	5 nm
Power consumption (TDP)	140 Watt	260 Watt