PowerColor Radeon RX 7900 XT
vs
SAPPHIRE Radeon RX 7900 XT 20GB


GPU comparison with benchmarks

The PowerColor Radeon RX 7900 XT has 5376 shader units and these clock a maximum of 2.40 GHz which results in an FP32 computing power of 51.61 TFLOPS.

The SAPPHIRE Radeon RX 7900 XT 20GB has 5376 shader units and these clock at a maximum of 2.40 GHz and achieve an FP32 computing power of 51.61 TFLOPS.

GPU

The PowerColor Radeon RX 7900 XT is equipped with a graphics chip of the RDNA 3 architecture, which has 84 streaming multiprocessors.

The graphics card SAPPHIRE Radeon RX 7900 XT 20GB is based on the RDNA 3 architecture and is equipped with 84 execution units.
PowerColor Radeon RX 7900 XT GPU SAPPHIRE Radeon RX 7900 XT 20GB
AMD Radeon RX 7900 XT Based on AMD Radeon RX 7900 XT
Navi 31 GPU Chip Navi 31
RDNA 3 Architecture RDNA 3
84 Streaming Multiprocessors 84
5376 Shader 5376
192 Render Output Units 192
336 Texture Units 336
84 Raytracing Cores 84

Memory

The PowerColor Radeon RX 7900 XT is equipped with a 20 GB large GDDR6 graphics memory, which is equipped with 2.500 GHz clocks.

The SAPPHIRE Radeon RX 7900 XT 20GB has a 20 GB large GDDR6 graphics memory and the memory clock is 2.500GHz.

20 GB Memory Size 20 GB
GDDR6 Memory Type GDDR6
2.500 GHz Memory Clock 2.500 GHz
20.0 Gbps Memory Speed 20.0 Gbps
800 GB/s Memory bandwidth 800 GB/s
320 bit Memory Interface 320 bit

Clock Speeds

The PowerColor Radeon RX 7900 XT has a turbo clock of 2.400 GHz. The turbo frequency of the SAPPHIRE Radeon RX 7900 XT 20GB is 2.400 GHz.

1.500 GHz Base Clock 1.500 GHz
2.400 GHz Boost Clock 2.400 GHz
2.00 GHz Avg (Game) Clock 2.00 GHz
Yes Overclocking Yes

Thermal Design

The PowerColor Radeon RX 7900 XT has 2 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 97 °C.

The SAPPHIRE Radeon RX 7900 XT 20GB is equipped with a 2 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 97 °C.

300 W TDP 308 WDeviation vs GPU group+ 3 %
-- TDP (up) --
97 °C Tjunction max 97 °C
2 x 8-Pin PCIe-Power 2 x 8-Pin

Cooler & Fans

The graphics processor and graphics memory of the PowerColor Radeon RX 7900 XT are cooled with a Air cooling.

The SAPPHIRE Radeon RX 7900 XT 20GB is cooled by a Air cooling.

Axial Fan-Type Axial
3 x 90 mm Fan 1 3 x 90 mm
-- Fan 2 --
Air cooling Cooler-Type Air cooling
0 dB Noise (Idle) 0 dB
-- Noise (Load) --

Connectivity

The PowerColor Radeon RX 7900 XT supports the downward compatible copy protection HDCP in version 2.3.

The SAPPHIRE Radeon RX 7900 XT 20GB supports HDCP in version 2.3 and all previous versions.

4 Max. Displays 4
2.3 HDCP-Version 2.3
1x HDMI v2.1 HDMI Ports 1x HDMI v2.1
2x DP v2.1 DP Ports 2x DP v2.1
-- DVI Ports --
-- VGA Ports --
1 USB-C Ports 1

Featureset

The PowerColor Radeon RX 7900 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate).

The SAPPHIRE Radeon RX 7900 XT 20GB supports Microsoft's DirectX version 12_2 (Ultimate).

7680x4320 Max. resolution 7680x4320
12_2 (Ultimate) DirectX 12_2 (Ultimate)
Yes Raytracing Yes
Yes DLSS / FSR Yes
No LED lighting 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 / Encode AV1 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode / Encode VP9 Decode / Encode

Dimensions

The PowerColor Radeon RX 7900 XT is 51 mm wide and therefore needs the space of 3 PCIe-Slots in the case.

The width of the SAPPHIRE Radeon RX 7900 XT 20GB is 51 mm and thus requires the space of 3 PCIe-Slots in the PC case.

276 mm Length 276 mm
113 mm Height 113 mm
51 mm Width 51 mm
3 PCIe-Slots Width (Slots) 3 PCIe-Slots
-- Weight --
PCIe 4 x 16 GPU Interface PCIe 4 x 16

Additional data

Manufactured using the 5 nanometer process, PowerColor Radeon RX 7900 XT was released in Q4/2022.

The SAPPHIRE Radeon RX 7900 XT 20GB published in Q4/2022 is manufactured with a structure width of 5 nanometers.

RX 7900 XT 20G Part-no 21323-01-20G
Q4/2022 Release date Q4/2022
899 $ Launch Price 899 $
5 nm Structure size 5 nm
data sheet Documents data sheet

Rate these graphics cards now

Here you can rate the PowerColor Radeon RX 7900 XT to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the SAPPHIRE Radeon RX 7900 XT 20GB to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:

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.

2560x1440 (1440p)

PowerColor Radeon RX 7900 XT PowerColor Radeon RX 7900 XT
20 GB GDDR6
90 fps (avg)
SAPPHIRE Radeon RX 7900 XT 20GB SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6
90 fps (avg)

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.

3840x2160 (2160p)

PowerColor Radeon RX 7900 XT PowerColor Radeon RX 7900 XT
20 GB GDDR6
44 fps (avg)
SAPPHIRE Radeon RX 7900 XT 20GB SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6
44 fps (avg)

2560x1440 (1440p)

PowerColor Radeon RX 7900 XT PowerColor Radeon RX 7900 XT
20 GB GDDR6
88 fps (avg)
SAPPHIRE Radeon RX 7900 XT 20GB SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6
88 fps (avg)

1920x1080 (1080p)

PowerColor Radeon RX 7900 XT PowerColor Radeon RX 7900 XT
20 GB GDDR6
138 fps (avg)
SAPPHIRE Radeon RX 7900 XT 20GB SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6
138 fps (avg)

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

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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