Radeon Pro Vega II Duo vs GeForce GTX 660 Ti

Place in the ranking	418	132
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.20	7.13
Power efficiency	5.29	5.30
Architecture	Kepler (2012−2018)	GCN 5.1 (2018−2022)
GPU code name	GK104	Vega 20
Market segment	Desktop	Workstation
Release date	16 August 2012 (12 years ago)	3 June 2019 (5 years ago)
Launch price (MSRP)	$299	$4,399

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Pro Vega II Duo has 123% better value for money than GTX 660 Ti.

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	1344	4096
Core clock speed	915 MHz	1400 MHz
Boost clock speed	980 MHz	1720 MHz
Number of transistors	3,540 million	13,230 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	150 Watt	475 Watt
Texture fill rate	109.8	440.3
Floating-point processing power	2.634 TFLOPS	14.09 TFLOPS
ROPs	24	64
TMUs	112	256

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	Apple MPX
Length	241 mm	no data
Height	4.376" (11.1 cm)	no data
Width	2-slot	Quad-slot
Supplementary power connectors	2x 6-pin	None
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 type	GDDR5	HBM2
Maximum RAM amount	2 GB	32 GB
Memory bus width	192-bit GDDR5	4096 Bit
Memory clock speed	6.0 GB/s	1000 MHz
Memory bandwidth	144.2 GB/s	1.02 TB/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 Connectors	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort	1x HDMI 2.0b, 4x Thunderbolt
Multi monitor support	4 displays	no data
HDMI	+	+
HDCP	+	-
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	+	-
3D Gaming	+	-
3D Vision	+	-

API compatibility

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

DirectX	12 (11_0)	12 (12_1)
Shader Model	5.1	6.7
OpenGL	4.3	4.6
OpenCL	1.2	2.1
Vulkan	1.1.126	1.3
CUDA	+	-

Synthetic benchmark performance

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

Combined synthetic benchmark score

This is our combined benchmark 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 Ti 11.49

Pro Vega II Duo 36.46
+217%

Passmark

This is the most ubiquitous GPU benchmark. 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.

GTX 660 Ti 4419

Pro Vega II Duo 14018
+217%

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

−216%

240−250
+216%

Cost per frame, $

1080p

3.93

+366%

18.33
−366%

GTX 660 Ti has 366% lower cost per frame in 1080p

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	21−24 −210%	65−70 +210%
Cyberpunk 2077	21−24 −195%	65−70 +195%
Elden Ring	30−35 −194%	100−105 +194%

Full HD
Medium Preset

Battlefield 5	35−40 −216%	120−130 +216%
Counter-Strike 2	21−24 −210%	65−70 +210%
Cyberpunk 2077	21−24 −195%	65−70 +195%
Forza Horizon 4	45−50 −204%	140−150 +204%
Metro Exodus	30−35 −206%	95−100 +206%
Red Dead Redemption 2	30−33 −217%	95−100 +217%
Valorant	40−45 −195%	130−140 +195%

Full HD
High Preset

Battlefield 5	35−40 −216%	120−130 +216%
Counter-Strike 2	21−24 −210%	65−70 +210%
Cyberpunk 2077	21−24 −195%	65−70 +195%
Dota 2	40−45 −217%	130−140 +217%
Elden Ring	30−35 −194%	100−105 +194%
Far Cry 5	45−50 −211%	140−150 +211%
Fortnite	65−70 −203%	200−210 +203%
Forza Horizon 4	45−50 −204%	140−150 +204%
Grand Theft Auto V	40−45 −217%	130−140 +217%
Metro Exodus	30−35 −206%	95−100 +206%
PLAYERUNKNOWN'S BATTLEGROUNDS	85−90 −210%	270−280 +210%
Red Dead Redemption 2	30−33 −217%	95−100 +217%
The Witcher 3: Wild Hunt	35−40 −214%	110−120 +214%
Valorant	40−45 −195%	130−140 +195%
World of Tanks	192 −213%	600−650 +213%

Full HD
Ultra Preset

Battlefield 5	35−40 −216%	120−130 +216%
Counter-Strike 2	21−24 −210%	65−70 +210%
Cyberpunk 2077	21−24 −195%	65−70 +195%
Dota 2	40−45 −217%	130−140 +217%
Far Cry 5	45−50 −211%	140−150 +211%
Forza Horizon 4	45−50 −204%	140−150 +204%
PLAYERUNKNOWN'S BATTLEGROUNDS	85−90 −210%	270−280 +210%
Valorant	40−45 −195%	130−140 +195%

1440p
High Preset

Dota 2	14−16 −200%	45−50 +200%
Elden Ring	16−18 −194%	50−55 +194%
Grand Theft Auto V	16−18 −213%	50−55 +213%
PLAYERUNKNOWN'S BATTLEGROUNDS	60−65 −217%	190−200 +217%
Red Dead Redemption 2	10−11 −200%	30−33 +200%
World of Tanks	80−85 −217%	260−270 +217%

1440p
Ultra Preset

Battlefield 5	21−24 −204%	70−75 +204%
Counter-Strike 2	10−12 −173%	30−33 +173%
Cyberpunk 2077	8−9 −200%	24−27 +200%
Far Cry 5	24−27 −208%	80−85 +208%
Forza Horizon 4	24−27 −208%	80−85 +208%
Metro Exodus	21−24 −204%	70−75 +204%
The Witcher 3: Wild Hunt	14−16 −186%	40−45 +186%
Valorant	27−30 −204%	85−90 +204%

4K
High Preset

Counter-Strike 2	6−7 −200%	18−20 +200%
Dota 2	21−24 −195%	65−70 +195%
Elden Ring	7−8 −200%	21−24 +200%
Grand Theft Auto V	21−24 −195%	65−70 +195%
Metro Exodus	7−8 −200%	21−24 +200%
PLAYERUNKNOWN'S BATTLEGROUNDS	30−35 −194%	100−105 +194%
Red Dead Redemption 2	7−8 −200%	21−24 +200%
The Witcher 3: Wild Hunt	21−24 −195%	65−70 +195%

4K
Ultra Preset

Battlefield 5	10−11 −200%	30−33 +200%
Counter-Strike 2	6−7 −200%	18−20 +200%
Cyberpunk 2077	3−4 −200%	9−10 +200%
Dota 2	21−24 −195%	65−70 +195%
Far Cry 5	14−16 −186%	40−45 +186%
Fortnite	12−14 −192%	35−40 +192%
Forza Horizon 4	14−16 −200%	45−50 +200%
Valorant	12−14 −192%	35−40 +192%

This is how GTX 660 Ti and Pro Vega II Duo compete in popular games:

Pro Vega II Duo is 216% faster in 1080p

Pros & cons summary

Performance score	11.49	36.46
Recency	16 August 2012	3 June 2019
Maximum RAM amount	2 GB	32 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	150 Watt	475 Watt

GTX 660 Ti has 216.7% lower power consumption.

Pro Vega II Duo, on the other hand, has a 217.3% higher aggregate performance score, an age advantage of 6 years, a 1500% higher maximum VRAM amount, and a 300% more advanced lithography process.

The Radeon Pro Vega II Duo is our recommended choice as it beats the GeForce GTX 660 Ti in performance tests.

Be aware that GeForce GTX 660 Ti is a desktop card while Radeon Pro Vega II Duo is a workstation one.

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