Radeon RX 6600 XT vs R9 270X

Place in performance ranking	364	79
Place by popularity	not in top-100	61
Cost-Effectiveness Evaluation	4.50	47.49
Architecture	GCN (2011−2017)	Navi / RDNA2 (2020−2022)
GPU code name	Curacao XT	Navi 23
Market segment	Desktop	Desktop
Design	reference	no data
Release date	8 October 2013 (10 years ago)	30 July 2021 (2 years ago)
Launch price (MSRP)	$199	$379
Current price	$136 (0.7x MSRP)	$283 (0.7x MSRP)

Cost-Effectiveness Evaluation

Performance to price ratio. The higher, the better.

RX 6600 XT has 955% better value for money than R9 270X.

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	2048
Core clock speed	no data	1968 MHz
Boost clock speed	1050 MHz	2589 MHz
Number of transistors	2,800 million	11,060 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	180 Watt	160 (TGP) Watt
Texture fill rate	84.00	331.4
Floating-point performance	2,688 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	PCIe 3.0	no data
Interface	PCIe 3.0 x16	PCIe 4.0 x8
Length	no data	190 mm
Width	2-slot	2-slot
Supplementary power connectors	2 x 6-pin	1x 8-pin

Memory type	GDDR5	GDDR6
Maximum RAM amount	4 GB	8 GB
Memory bus width	256 Bit	128 Bit
Memory clock speed	no data	16000 MHz
Memory bandwidth	179.2 GB/s	256.0 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 HDMI, 1x DisplayPort	1x HDMI, 2x DisplayPort
Eyefinity	+	no data
HDMI	+	+
DisplayPort support	+	no data

Supported Technologies

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

AppAcceleration	+	no data
CrossFire	1	no data
Enduro	-	no data
FreeSync	1	no data
HD3D	+	no data
LiquidVR	1	no data
PowerTune	-	no data
TressFX	1	no data
TrueAudio	+	no data
ZeroCore	-	no data
UVD	+	no data
DDMA audio	+	no data

API Compatibility

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

DirectX	DirectX® 12	12.0 Ultimate (12_2)
Shader Model	5.1	6.5
OpenGL	4.6	4.6
OpenCL	1.2	2.1
Vulkan	+	1.2
Mantle	-	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.

R9 270X 12.63

RX 6600 XT 42.59
+237%

RX 6600 XT outperforms R9 270X by 237% based on our aggregated 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%

R9 270X 4889

RX 6600 XT 16486
+237%

RX 6600 XT outperforms R9 270X by 237% 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%

R9 270X 6560

RX 6600 XT 28342
+332%

RX 6600 XT outperforms R9 270X by 332% 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	35−40 −277%	132 +277%
1440p	21−24 −252%	74 +252%
4K	12−14 −242%	41 +242%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

20−22

−295%

79
+295%

Full HD
Medium Preset

Assassin's Creed Odyssey	27−30 −174%	70−75 +174%
Assassin's Creed Valhalla	21−24 −514%	129 +514%
Battlefield 5	40−45 −179%	120−130 +179%
Call of Duty: Modern Warfare	30−35 −255%	110−120 +255%
Cyberpunk 2077	20−22 −290%	78 +290%
Far Cry 5	30−35 −372%	151 +372%
Far Cry New Dawn	30−35 −285%	131 +285%
Forza Horizon 4	45−50 −184%	120−130 +184%
Hitman 3	30−35 −550%	221 +550%
Horizon Zero Dawn	24−27 −427%	137 +427%
Red Dead Redemption 2	21−24 −229%	65−70 +229%
Shadow of the Tomb Raider	27−30 −515%	166 +515%
Watch Dogs: Legion	21−24 −422%	120 +422%

Full HD
High Preset

Assassin's Creed Odyssey	27−30 −174%	70−75 +174%
Assassin's Creed Valhalla	21−24 −405%	106 +405%
Battlefield 5	40−45 −179%	120−130 +179%
Call of Duty: Modern Warfare	30−35 −255%	110−120 +255%
Cyberpunk 2077	20−22 −280%	76 +280%
Far Cry 5	30−35 −341%	141 +341%
Far Cry New Dawn	30−35 −274%	127 +274%
Forza Horizon 4	45−50 −184%	120−130 +184%
Hitman 3	30−35 −438%	183 +438%
Horizon Zero Dawn	24−27 −319%	109 +319%
Metro Exodus	18−20 −400%	95 +400%
Red Dead Redemption 2	21−24 −229%	65−70 +229%
Shadow of the Tomb Raider	27−30 −426%	142 +426%
The Witcher 3: Wild Hunt	24−27 −577%	176 +577%
Watch Dogs: Legion	21−24 −352%	104 +352%

Full HD
Ultra Preset

Assassin's Creed Odyssey	27−30 −174%	70−75 +174%
Assassin's Creed Valhalla	21−24 −257%	75 +257%
Battlefield 5	40−45 −179%	120−130 +179%
Cyberpunk 2077	20−22 −245%	69 +245%
Far Cry 5	30−35 −316%	133 +316%
Far Cry New Dawn	30−35 −229%	112 +229%
Forza Horizon 4	45−50 −184%	120−130 +184%
The Witcher 3: Wild Hunt	24−27 −281%	99 +281%
Watch Dogs: Legion	21−24 −165%	61 +165%

1440p
High Preset

Call of Duty: Modern Warfare	18−20 −300%	70−75 +300%
Hitman 3	20−22 −460%	112 +460%
Horizon Zero Dawn	18−20 −322%	76 +322%
Metro Exodus	10−12 −409%	56 +409%
Red Dead Redemption 2	9−10 −289%	35−40 +289%
Shadow of the Tomb Raider	16−18 −425%	84 +425%

1440p
Ultra Preset

Assassin's Creed Odyssey	12−14 −254%	45−50 +254%
Assassin's Creed Valhalla	9−10 −522%	56 +522%
Battlefield 5	24−27 −252%	85−90 +252%
Cyberpunk 2077	6−7 −567%	40 +567%
Far Cry 5	20−22 −425%	105 +425%
Far Cry New Dawn	21−24 −345%	98 +345%
Forza Horizon 4	24−27 −279%	90−95 +279%
The Witcher 3: Wild Hunt	12−14 −433%	60−65 +433%
Watch Dogs: Legion	7−8 −529%	44 +529%

4K
High Preset

Call of Duty: Modern Warfare	9−10 −344%	40−45 +344%
Hitman 3	12−14 −375%	57 +375%
Horizon Zero Dawn	9−10 −122%	20 +122%
Metro Exodus	6−7 −467%	34 +467%
Red Dead Redemption 2	7−8 −229%	21−24 +229%
Shadow of the Tomb Raider	7−8 −471%	40 +471%
The Witcher 3: Wild Hunt	10−12 −391%	54 +391%

4K
Ultra Preset

Assassin's Creed Odyssey	7−8 −329%	30−33 +329%
Assassin's Creed Valhalla	6−7 −367%	28 +367%
Battlefield 5	12−14 −333%	50−55 +333%
Cyberpunk 2077	2−3 −600%	14 +600%
Far Cry 5	10−11 −410%	51 +410%
Far Cry New Dawn	12−14 −308%	53 +308%
Forza Horizon 4	16−18 −253%	60−65 +253%
Watch Dogs: Legion	4−5 −500%	24 +500%

This is how R9 270X and RX 6600 XT compete in popular games:

RX 6600 XT is 277% faster than R9 270X in 1080p
RX 6600 XT is 252% faster than R9 270X in 1440p
RX 6600 XT is 242% faster than R9 270X in 4K

Here's the range of performance differences observed across popular games:

in Cyberpunk 2077, with 4K resolution and the Ultra Preset, the RX 6600 XT is 600% faster than the R9 270X.

All in all, in popular games:

Without exception, RX 6600 XT surpassed R9 270X in all 68 of our tests.

Pros & Cons Summary

Performance score	12.63	42.59
Recency	8 October 2013	30 July 2021
Cost	$199	$379
Maximum RAM amount	4 GB	8 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	180 Watt	160 Watt