Radeon RX 6600 XT vs R9 270X

Aggregate performance score

We've compared Radeon R9 270X and Radeon RX 6600 XT, covering specs and all relevant benchmarks.

R9 270X
2013
4 GB GDDR5, 180 Watt
10.90

RX 6600 XT outperforms R9 270X by a whopping 238% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking40694
Place by popularitynot in top-10071
Cost-effectiveness evaluation5.0559.30
Power efficiency4.8218.33
ArchitectureGCN 1.0 (2011−2020)RDNA 2.0 (2020−2024)
GPU code nameCuracaoNavi 23
Market segmentDesktopDesktop
Designreferenceno data
Release date8 October 2013 (11 years ago)30 July 2021 (3 years ago)
Launch price (MSRP)$199 $379

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

RX 6600 XT has 1074% better value for money than R9 270X.

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 cores12802048
Core clock speedno data1968 MHz
Boost clock speed1050 MHz2589 MHz
Number of transistors2,800 million11,060 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)180 Watt160 Watt
Texture fill rate84.00331.4
Floating-point processing power2.688 TFLOPS10.6 TFLOPS
ROPs3264
TMUs80128
Ray Tracing Coresno data32

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 supportPCIe 3.0no data
InterfacePCIe 3.0 x16PCIe 4.0 x8
Lengthno data190 mm
Width2-slot2-slot
Supplementary power connectors2 x 6-pin1x 8-pin

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 typeGDDR5GDDR6
Maximum RAM amount4 GB8 GB
Memory bus width256 Bit128 Bit
Memory clock speedno data2000 MHz
Memory bandwidth179.2 GB/s256.0 GB/s
Shared memory--
Resizable BAR-+

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 Connectors2x DVI, 1x HDMI, 1x DisplayPort1x HDMI, 2x DisplayPort
Eyefinity+-
HDMI++
DisplayPort support+-

Supported technologies

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

AppAcceleration+-
CrossFire+-
FreeSync+-
HD3D+-
LiquidVR+-
TressFX+-
TrueAudio+-
UVD+-
DDMA audio+no data

API and SDK compatibility

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

DirectXDirectX® 1212.0 Ultimate (12_2)
Shader Model5.16.5
OpenGL4.64.6
OpenCL1.22.1
Vulkan+1.2

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.

R9 270X 10.90
RX 6600 XT 36.85
+238%

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.

R9 270X 4875
RX 6600 XT 16479
+238%

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.

R9 270X 6560
RX 6600 XT 28342
+332%

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 HD35−40
−266%
128
+266%
1440p21−24
−248%
73
+248%
4K12−14
−250%
42
+250%

Cost per frame, $

1080p5.69
−92%
2.96
+92%
1440p9.48
−82.5%
5.19
+82.5%
4K16.58
−83.8%
9.02
+83.8%
  • RX 6600 XT has 92% lower cost per frame in 1080p
  • RX 6600 XT has 83% lower cost per frame in 1440p
  • RX 6600 XT has 84% lower cost per frame in 4K

FPS performance in popular games

Full HD
Low Preset

Atomic Heart 30−33
−300%
120−130
+300%
Counter-Strike 2 65−70
−245%
220−230
+245%
Cyberpunk 2077 24−27
−229%
79
+229%

Full HD
Medium Preset

Atomic Heart 30−33
−300%
120−130
+300%
Battlefield 5 50−55
−158%
130−140
+158%
Counter-Strike 2 65−70
−245%
220−230
+245%
Cyberpunk 2077 24−27
−225%
78
+225%
Far Cry 5 40−45
−278%
151
+278%
Fortnite 65−70
−148%
170−180
+148%
Forza Horizon 4 50−55
−200%
150−160
+200%
Forza Horizon 5 35−40
−330%
159
+330%
PLAYERUNKNOWN'S BATTLEGROUNDS 40−45
−260%
150−160
+260%
Valorant 100−110
−118%
220−230
+118%

Full HD
High Preset

Atomic Heart 30−33
−300%
120−130
+300%
Battlefield 5 50−55
−158%
130−140
+158%
Counter-Strike 2 65−70
−245%
220−230
+245%
Counter-Strike: Global Offensive 170−180
−63.5%
270−280
+63.5%
Cyberpunk 2077 24−27
−217%
76
+217%
Dota 2 80−85
−113%
170
+113%
Far Cry 5 40−45
−253%
141
+253%
Fortnite 65−70
−148%
170−180
+148%
Forza Horizon 4 50−55
−200%
150−160
+200%
Forza Horizon 5 35−40
−284%
142
+284%
Grand Theft Auto V 45−50
−200%
135
+200%
Metro Exodus 24−27
−296%
95
+296%
PLAYERUNKNOWN'S BATTLEGROUNDS 40−45
−260%
150−160
+260%
The Witcher 3: Wild Hunt 30−35
−450%
176
+450%
Valorant 100−110
−118%
220−230
+118%

Full HD
Ultra Preset

Battlefield 5 50−55
−158%
130−140
+158%
Cyberpunk 2077 24−27
−188%
69
+188%
Dota 2 80−85
−50%
120
+50%
Far Cry 5 40−45
−233%
133
+233%
Forza Horizon 4 50−55
−200%
150−160
+200%
PLAYERUNKNOWN'S BATTLEGROUNDS 40−45
−260%
150−160
+260%
The Witcher 3: Wild Hunt 30−35
−209%
99
+209%
Valorant 100−110
−118%
220−230
+118%

Full HD
Epic Preset

Fortnite 65−70
−148%
170−180
+148%

1440p
High Preset

Counter-Strike 2 21−24
−368%
100−110
+368%
Counter-Strike: Global Offensive 85−90
−208%
270−280
+208%
Grand Theft Auto V 18−20
−278%
68
+278%
Metro Exodus 14−16
−300%
56
+300%
PLAYERUNKNOWN'S BATTLEGROUNDS 85−90
−98.9%
170−180
+98.9%
Valorant 120−130
−103%
260−270
+103%

1440p
Ultra Preset

Battlefield 5 30−35
−216%
100−110
+216%
Cyberpunk 2077 10−11
−300%
40
+300%
Far Cry 5 24−27
−304%
105
+304%
Forza Horizon 4 27−30
−293%
110−120
+293%
The Witcher 3: Wild Hunt 18−20
−295%
75−80
+295%

1440p
Epic Preset

Fortnite 24−27
−304%
100−110
+304%

4K
High Preset

Atomic Heart 9−10
−256%
30−35
+256%
Counter-Strike 2 7−8
−571%
45−50
+571%
Grand Theft Auto V 21−24
−178%
64
+178%
Metro Exodus 8−9
−325%
34
+325%
The Witcher 3: Wild Hunt 14−16
−260%
54
+260%
Valorant 60−65
−277%
240−250
+277%

4K
Ultra Preset

Battlefield 5 16−18
−294%
60−65
+294%
Counter-Strike 2 7−8
−571%
45−50
+571%
Cyberpunk 2077 4−5
−250%
14
+250%
Dota 2 40−45
−100%
86
+100%
Far Cry 5 12−14
−325%
51
+325%
Forza Horizon 4 20−22
−280%
75−80
+280%
PLAYERUNKNOWN'S BATTLEGROUNDS 10−12
−400%
55−60
+400%

4K
Epic Preset

Fortnite 10−12
−373%
50−55
+373%

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

  • RX 6600 XT is 266% faster in 1080p
  • RX 6600 XT is 248% faster in 1440p
  • RX 6600 XT is 250% faster in 4K

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

  • in Counter-Strike 2, with 4K resolution and the High Preset, the RX 6600 XT is 571% faster.

All in all, in popular games:

  • Without exception, RX 6600 XT surpassed R9 270X in all 63 of our tests.

Pros & cons summary


Performance score 10.90 36.85
Recency 8 October 2013 30 July 2021
Maximum RAM amount 4 GB 8 GB
Chip lithography 28 nm 7 nm
Power consumption (TDP) 180 Watt 160 Watt

RX 6600 XT has a 238.1% higher aggregate performance score, an age advantage of 7 years, a 100% higher maximum VRAM amount, a 300% more advanced lithography process, and 12.5% lower power consumption.

The Radeon RX 6600 XT is our recommended choice as it beats the Radeon R9 270X in performance tests.

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AMD Radeon R9 270X
Radeon R9 270X
AMD Radeon RX 6600 XT
Radeon RX 6600 XT

Other comparisons

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Community ratings

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