PowerColor Fighter Radeon RX 6600 XT
vs
MSI Radeon RX 580 Armor MK2 8G


GPU comparison with benchmarks

The PowerColor Fighter Radeon RX 6600 XT has 2048 shader units and these clock a maximum of 2.59 GHz which results in an FP32 computing power of 10.61 TFLOPS.

The MSI Radeon RX 580 Armor MK2 8G has 2304 shader units and these clock at a maximum of 1.37 GHz and achieve an FP32 computing power of 5.71 TFLOPS.

GPU

The PowerColor Fighter Radeon RX 6600 XT is equipped with a graphics chip of the RDNA 2 architecture, which has 32 streaming multiprocessors.

The graphics card MSI Radeon RX 580 Armor MK2 8G is based on the GCN 4 architecture and is equipped with 36 execution units.
PowerColor Fighter Radeon RX 6600 XT GPU MSI Radeon RX 580 Armor MK2 8G
AMD Radeon RX 6600 XT Based on AMD Radeon RX 580 (36 CU)
Navi 23 XT GPU Chip Polaris 20 XT
RDNA 2 Architecture GCN 4
32 Streaming Multiprocessors 36
2048 Shader 2304
64 Render Output Units 32
128 Texture Units 144
32 Raytracing Cores 0

Memory

The PowerColor Fighter Radeon RX 6600 XT is equipped with a 8 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks.

The MSI Radeon RX 580 Armor MK2 8G has a 8 GB large GDDR5 graphics memory and the memory clock is 2.000GHz.

8 GB Memory Size 8 GB
GDDR6 Memory Type GDDR5
2.000 GHz Memory Clock 2.000 GHz
16.0 Gbps Memory Speed 8.0 Gbps
256 GB/s Memory bandwidth 256 GB/s
128 bit Memory Interface 256 bit

Clock Speeds

The PowerColor Fighter Radeon RX 6600 XT has a turbo clock of 2.589 GHz. The turbo frequency of the MSI Radeon RX 580 Armor MK2 8G is 1.366 GHz.

1.968 GHz Base Clock 1.257 GHz
2.589 GHz Boost Clock 1.366 GHz
2.36 GHz Avg (Game) Clock
Yes Overclocking Yes

Thermal Design

The PowerColor Fighter Radeon RX 6600 XT has 1 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 100 °C.

The MSI Radeon RX 580 Armor MK2 8G is equipped with a 1 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 90 °C.

160 W TDP 185 W
-- TDP (up) --
100 °C Tjunction max 90 °C
1 x 8-Pin PCIe-Power 1 x 8-Pin

Cooler & Fans

The graphics processor and graphics memory of the PowerColor Fighter Radeon RX 6600 XT are cooled with a Air cooling.

The MSI Radeon RX 580 Armor MK2 8G is cooled by a Air cooling.

Axial Fan-Type Axial
2 x 90 mm Fan 1 2 x 100 mm
-- Fan 2 --
Air cooling Cooler-Type Air cooling
0 dB Noise (Idle) 0 dB
-- Noise (Load) --

Connectivity

The PowerColor Fighter Radeon RX 6600 XT supports the downward compatible copy protection HDCP in version 2.3.

The MSI Radeon RX 580 Armor MK2 8G supports HDCP in version 2.2 and all previous versions.

4 Max. Displays 4
2.3 HDCP-Version 2.2
1x HDMI v2.1 HDMI Ports 2x HDMI v2.0b
3x DP v1.4 DP Ports 2x DP v1.4
-- DVI Ports 1
-- VGA Ports --
-- USB-C Ports --

Featureset

The PowerColor Fighter Radeon RX 6600 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate).

The MSI Radeon RX 580 Armor MK2 8G supports Microsoft's DirectX version 12.

7680x4320 Max. resolution 7680x4320
12_2 (Ultimate) DirectX 12
Yes Raytracing No
Yes DLSS / FSR Yes
Addressable LED LED No LED lighting

Supported Video Codecs

This area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load.

Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC Decode / Encode
Decode AV1 No
Decode / Encode VP8 Decode
Decode / Encode VP9 Decode

Dimensions

The PowerColor Fighter Radeon RX 6600 XT is 39 mm wide and therefore needs the space of 2 PCIe-Slots in the case.

The width of the MSI Radeon RX 580 Armor MK2 8G is 39 mm and thus requires the space of 2 PCIe-Slots in the PC case.

200 mm Length 270 mm
111 mm Height 130 mm
39 mm Width 40 mm
2 PCIe-Slots Width (Slots) 2 PCIe-Slots
-- Weight 892 g
PCIe 4.0 x 8 GPU Interface PCIe 3.0 x 16

Additional data

Manufactured using the 7 nanometer process, PowerColor Fighter Radeon RX 6600 XT was released in Q3/2021.

The MSI Radeon RX 580 Armor MK2 8G published in Q3/2018 is manufactured with a structure width of 14 nanometers.

AXRX 6600XT 8GBD6-3DH Part-no --
Q3/2021 Release date Q3/2018
379 $ (Reference) Launch Price 229 $
7 nm Structure size 14 nm
data sheet Documents data sheet

Rate these graphics cards now

Here you can rate the PowerColor Fighter Radeon RX 6600 XT to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
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Benchmark results

3DMark Benchmark (DirectX, Raytracing)

3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.

Time Spy Extreme Graphics score

Port Royal (Raytracing)

Speed Way Graphics Score (Raytracing)

Cyberpunk 2077

Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.

3840x2160 (2160p)

2560x1440 (1440p)

1920x1080 (1080p)

The Last of Us Part 1

The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.

2560x1440 (1440p)

1920x1080 (1080p)

Battlefield 5

Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.

3840x2160 (2160p)

2560x1440 (1440p)

1920x1080 (1080p)

Geekbench 6 (OpenCL, Vulkan, Metal)

Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.

Geekbench 6 - OpenCL

Geekbench 6 - Vulkan

Geekbench 6 - Metal

FP32 Performance (Single-precision TFLOPS)

The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.

FP32 (TFLOPS)

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