GeForce GTX 660 Ti vs ATI Radeon HD 4890

Place in the ranking	697	415
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.39	3.09
Power efficiency	1.43	5.33
Architecture	TeraScale (2005−2013)	Kepler (2012−2018)
GPU code name	RV790	GK104
Market segment	Desktop	Desktop
Release date	2 April 2009 (15 years ago)	16 August 2012 (12 years ago)
Launch price (MSRP)	$249	$299

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

GTX 660 Ti has 692% better value for money than ATI HD 4890.

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	800	1344
Core clock speed	850 MHz	915 MHz
Boost clock speed	no data	980 MHz
Number of transistors	959 million	3,540 million
Manufacturing process technology	55 nm	28 nm
Power consumption (TDP)	190 Watt	150 Watt
Texture fill rate	34.00	109.8
Floating-point processing power	1.36 TFLOPS	2.634 TFLOPS
ROPs	16	24
TMUs	40	112

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	no data	PCI Express 3.0
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Length	241 mm	241 mm
Height	no data	4.376" (11.1 cm)
Width	2-slot	2-slot
Supplementary power connectors	2x 6-pin	2x 6-pin
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	GDDR5
Maximum RAM amount	1 GB	2 GB
Memory bus width	256 Bit	192-bit GDDR5
Memory clock speed	975 MHz	6.0 GB/s
Memory bandwidth	124.8 GB/s	144.2 GB/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	2x DVI, 1x S-Video	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support	no data	4 displays
HDMI	-	+
HDCP	-	+
Maximum VGA resolution	no data	2048x1536
Audio input for HDMI	no data	Internal

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	10.1 (10_1)	12 (11_0)
Shader Model	4.1	5.1
OpenGL	3.3	4.3
OpenCL	1.1	1.2
Vulkan	N/A	1.1.126
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.

ATI HD 4890 3.91

GTX 660 Ti 11.48
+194%

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.

ATI HD 4890 1507

GTX 660 Ti 4427
+194%

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

24−27

−217%

76
+217%

Cost per frame, $

1080p

10.38

3.93

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

18−20

+0%

18−20

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	27−30 +0%	27−30 +0%
Assassin's Creed Valhalla	18−20 +0%	18−20 +0%
Battlefield 5	35−40 +0%	35−40 +0%
Call of Duty: Modern Warfare	21−24 +0%	21−24 +0%
Cyberpunk 2077	18−20 +0%	18−20 +0%
Far Cry 5	27−30 +0%	27−30 +0%
Far Cry New Dawn	30−35 +0%	30−35 +0%
Forza Horizon 4	75−80 +0%	75−80 +0%
Hitman 3	21−24 +0%	21−24 +0%
Horizon Zero Dawn	60−65 +0%	60−65 +0%
Metro Exodus	35−40 +0%	35−40 +0%
Red Dead Redemption 2	30−35 +0%	30−35 +0%
Shadow of the Tomb Raider	35−40 +0%	35−40 +0%
Watch Dogs: Legion	65−70 +0%	65−70 +0%

Full HD
High Preset

Assassin's Creed Odyssey	27−30 +0%	27−30 +0%
Assassin's Creed Valhalla	18−20 +0%	18−20 +0%
Battlefield 5	35−40 +0%	35−40 +0%
Call of Duty: Modern Warfare	21−24 +0%	21−24 +0%
Cyberpunk 2077	18−20 +0%	18−20 +0%
Far Cry 5	27−30 +0%	27−30 +0%
Far Cry New Dawn	30−35 +0%	30−35 +0%
Forza Horizon 4	75−80 +0%	75−80 +0%
Hitman 3	21−24 +0%	21−24 +0%
Horizon Zero Dawn	60−65 +0%	60−65 +0%
Metro Exodus	35−40 +0%	35−40 +0%
Red Dead Redemption 2	30−35 +0%	30−35 +0%
Shadow of the Tomb Raider	35−40 +0%	35−40 +0%
The Witcher 3: Wild Hunt	27−30 +0%	27−30 +0%
Watch Dogs: Legion	65−70 +0%	65−70 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	27−30 +0%	27−30 +0%
Assassin's Creed Valhalla	18−20 +0%	18−20 +0%
Call of Duty: Modern Warfare	21−24 +0%	21−24 +0%
Cyberpunk 2077	18−20 +0%	18−20 +0%
Far Cry 5	27−30 +0%	27−30 +0%
Forza Horizon 4	75−80 +0%	75−80 +0%
Hitman 3	21−24 +0%	21−24 +0%
Horizon Zero Dawn	60−65 +0%	60−65 +0%
Shadow of the Tomb Raider	35−40 +0%	35−40 +0%
The Witcher 3: Wild Hunt	27−30 +0%	27−30 +0%
Watch Dogs: Legion	65−70 +0%	65−70 +0%

Full HD
Epic Preset

Red Dead Redemption 2

30−35

+0%

30−35

+0%

1440p
High Preset

Battlefield 5	21−24 +0%	21−24 +0%
Far Cry New Dawn	18−20 +0%	18−20 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	10−12 +0%	10−12 +0%
Assassin's Creed Valhalla	8−9 +0%	8−9 +0%
Call of Duty: Modern Warfare	12−14 +0%	12−14 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Far Cry 5	12−14 +0%	12−14 +0%
Forza Horizon 4	50−55 +0%	50−55 +0%
Hitman 3	14−16 +0%	14−16 +0%
Horizon Zero Dawn	21−24 +0%	21−24 +0%
Metro Exodus	18−20 +0%	18−20 +0%
Shadow of the Tomb Raider	16−18 +0%	16−18 +0%
The Witcher 3: Wild Hunt	10−12 +0%	10−12 +0%
Watch Dogs: Legion	70−75 +0%	70−75 +0%

1440p
Epic Preset

Red Dead Redemption 2

18−20

+0%

18−20

+0%

4K
High Preset

Battlefield 5	10−12 +0%	10−12 +0%
Far Cry New Dawn	8−9 +0%	8−9 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	50−55 +0%	50−55 +0%
Metro Exodus	10−11 +0%	10−11 +0%
The Witcher 3: Wild Hunt	9−10 +0%	9−10 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	7−8 +0%	7−8 +0%
Assassin's Creed Valhalla	5−6 +0%	5−6 +0%
Call of Duty: Modern Warfare	5−6 +0%	5−6 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	6−7 +0%	6−7 +0%
Forza Horizon 4	14−16 +0%	14−16 +0%
Shadow of the Tomb Raider	9−10 +0%	9−10 +0%
Watch Dogs: Legion	4−5 +0%	4−5 +0%

4K
Epic Preset

Red Dead Redemption 2

10−12

+0%

10−12

+0%

This is how ATI HD 4890 and GTX 660 Ti compete in popular games:

GTX 660 Ti is 217% faster in 1080p

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	3.91	11.48
Recency	2 April 2009	16 August 2012
Maximum RAM amount	1 GB	2 GB
Chip lithography	55 nm	28 nm
Power consumption (TDP)	190 Watt	150 Watt

GTX 660 Ti has a 193.6% higher aggregate performance score, an age advantage of 3 years, a 100% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 26.7% lower power consumption.

The GeForce GTX 660 Ti is our recommended choice as it beats the Radeon HD 4890 in performance tests.

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