The Sapphire Pulse Radeon RX 580 8G G5 has 2304 shader units and these clock a maximum of 1.37 GHz which results in an FP32 computing power of 5.71 TFLOPS.
The SAPPHIRE PULSE Radeon RX 6600 XT has 2048 shader units and these clock at a maximum of 2.59 GHz and achieve an FP32 computing power of 10.63 TFLOPS.
Quick comparison
In FP32 performance, the SAPPHIRE PULSE Radeon RX 6600 XT is 86 % faster than the Sapphire Pulse Radeon RX 580 8G G5.
The Sapphire Pulse Radeon RX 580 8G G5 is equipped with a graphics chip of the GCN 4 architecture, which has 36 streaming multiprocessors.
The graphics card SAPPHIRE PULSE Radeon RX 6600 XT is based on the RDNA 2 architecture and is equipped with 32 execution units.
Memory
Memory
Sapphire Pulse Radeon RX 580 8G G5
SAPPHIRE PULSE Radeon RX 6600 XT
Memory Size
8 GB
8 GB
Memory Type
GDDR5
GDDR6
Memory Clock
2.000 GHz
2.000 GHz
Memory Speed
8.0 Gbps
16.0 Gbps
Memory bandwidth
256 GB/s
256 GB/s
Memory Interface
256 bit
128 bit
More information
The Sapphire Pulse Radeon RX 580 8G G5 is equipped with a 8 GB large GDDR5 graphics memory, which is equipped with 2.000 GHz clocks.
The SAPPHIRE PULSE Radeon RX 6600 XT has a 8 GB large GDDR6 graphics memory and the memory clock is 2.000GHz.
Clock Speeds
Clock Speeds
Sapphire Pulse Radeon RX 580 8G G5
SAPPHIRE PULSE Radeon RX 6600 XT
Base Clock
1.257 GHz
1.968 GHz
Boost Clock
1.366 GHz
2.593 GHz
Avg (Game) Clock
--
2.38 GHz
Overclocking
Yes
Yes
More information
The Sapphire Pulse Radeon RX 580 8G G5 has a turbo clock of 1.366 GHz. The turbo frequency of the SAPPHIRE PULSE Radeon RX 6600 XT is 2.593 GHz.
Thermal Design
Thermal Design
Sapphire Pulse Radeon RX 580 8G G5
SAPPHIRE PULSE Radeon RX 6600 XT
TDP
225 W
160 W
TDP (up)
--
170 W
Tjunction max
90 °C
100 °C
PCIe-Power
1 x 8-Pin
1 x 8-Pin
More information
The Sapphire Pulse Radeon RX 580 8G G5 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 90 °C.
The SAPPHIRE PULSE Radeon RX 6600 XT is equipped with a 1 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 100 °C.
Cooler & Fans
Cooler & Fans
Sapphire Pulse Radeon RX 580 8G G5
SAPPHIRE PULSE Radeon RX 6600 XT
Fan-Type
Axial
Axial
Fan 1
2 x 95 mm
2 x 100 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
0 dB
0 dB
More information
The graphics processor and graphics memory of the Sapphire Pulse Radeon RX 580 8G G5 are cooled with a Air cooling.
The SAPPHIRE PULSE Radeon RX 6600 XT is cooled by a Air cooling.
Connectivity
Connectivity
Sapphire Pulse Radeon RX 580 8G G5
SAPPHIRE PULSE Radeon RX 6600 XT
Max. Displays
4
4
HDCP
2.2
2.3
HDMI
2x HDMI 2.0b
1x HDMI 2.1
DisplayPort
2x DP 1.4
3x DP 1.4
DVI
1
--
More information
The Sapphire Pulse Radeon RX 580 8G G5 supports the downward compatible copy protection HDCP in version 2.2.
The SAPPHIRE PULSE Radeon RX 6600 XT supports HDCP in version 2.3 and all previous versions.
Featureset
Featureset
Sapphire Pulse Radeon RX 580 8G G5
SAPPHIRE PULSE Radeon RX 6600 XT
Max. resolution
7680x4320
7680x4320
DirectX
12
12_2 (Ultimate)
Raytracing
No
Yes
DLSS / FSR
Yes
Yes
LED
No LED lighting
Addressable LED
More information
The Sapphire Pulse Radeon RX 580 8G G5 supports the DirectX standard from Microsoft in version 12.
The SAPPHIRE PULSE Radeon RX 6600 XT supports Microsoft's DirectX version 12_2 (Ultimate).
Supported Video Codecs
Supported Video Codecs
Sapphire Pulse Radeon RX 580 8G G5
SAPPHIRE PULSE Radeon RX 6600 XT
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
Decode / Encode
VP8
Decode
Decode / Encode
VP9
Decode
Decode / Encode
AV1
No
Decode
More information
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.
Dimensions
Dimensions
Sapphire Pulse Radeon RX 580 8G G5
SAPPHIRE PULSE Radeon RX 6600 XT
Length
230 mm
240 mm
Height
125 mm
120 mm
Width
40 mm
45 mm
Width (Slots)
2 Slots
3 Slots
SFF-Ready
No
No
More information
The Sapphire Pulse Radeon RX 580 8G G5 is 40 mm wide and therefore needs the space of 3 PCIe-Slots in the case.
The width of the SAPPHIRE PULSE Radeon RX 6600 XT is 40 mm and thus requires the space of 3 PCIe-Slots in the PC case.
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
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.
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.
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.
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.
Here you can rate the Sapphire Pulse Radeon RX 580 8G G5 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (3 ratings). Rate now:
Here you can rate the SAPPHIRE PULSE Radeon RX 6600 XT to help other visitors make their purchasing decisions. The average rating is 4.8 stars (4 ratings). Rate now:
