ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC
AMD AMD Radeon RX 7900 XT Speed index 44/100 Last updated:

ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC Benchmark and Specs

All technical data and various benchmarks of the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC are listed on this page. The graphics card is based on the Navi 31 (RDNA 3) graphics chip, which is manufactured with a structure width of 5 nm. The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC can operate up to 4 screens with a maximum resolution of up to 7680x4320 become.
FP32
52.69TFLOPS
Boost Clock
2.45GHz
Memory
20GB GDDR6
TDP
300 W

Technical details

GPU

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC has 84 execution units with 5376 shaders. This gives the graphics card a theoretical FP32 computing power of 52.69 TFLOPS.

GPU Chip
Navi 31 (RDNA 3)
Streaming Multiprocessors
84
Shader
5376
Render Output Units
192
Texture Units
336
Raytracing Cores
84

Memory

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is equipped with 20 GB graphics memory of the type GDDR6. The memory clock of the graphics card is 2.500 GHz and the speed is 20 Gbps.

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

Clock Speeds

The base frequency of this graphics card is 1.500 GHz and the manufacturer specifies the maximum turbo clock as 2.450 GHz. If supported (see below), the performance can be further increased by overclocking.

Base Clock
1.500 GHz
Boost Clock
2.450 GHz+2 %
Avg (Game) Clock
2.075 GHz
Overclocking
Yes

Thermal Design

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 300 W.

TDP
300 W
Tjunction max
97 °C
PCIe-Power
2 x 8-Pin

Cooler & Fans

Graphics processor and graphics memory of the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC are cooled by a Air cooling.

Fan-Type
Axial
Fan 1
3 x 100 mm
Cooler-Type
Air cooling
Noise (Idle)
0 dB / Silent

Connectivity

Up to 4 monitors can be operated with the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC.

Max. Displays
4
HDCP
2.3
HDMI
1x HDMI 2.1
DisplayPort
3x DP 2.1

Featureset

With the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC it is possible to operate a screen with a resolution of up to 7680x4320 pixels. Furthermore, the DirectX standard version 12_2 (Ultimate) is supported.

Max. resolution
7680x4320
DirectX
12_2 (Ultimate)
Raytracing
Yes
DLSS / FSR
Yes
LED
Addressable LED

Supported Video Codecs

This area lists the video codecs that the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC can decode or encode in hardware in order to minimize the processor load, which leads to lower power consumption.

h264
Decode / Encode
h265 / HEVC
Decode / Encode
VP8
Decode / Encode
VP9
Decode / Encode
AV1
Decode / Encode

Dimensions

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC needs the space of 3 PCIe-Slots in a case. It is 330 mm long, 140 mm high and 58 mm wide.

Length
330 mm
Height
140 mm
Width
58 mm
Width (Slots)
3 PCIe-Slots
Weight
1450 g
SFF-Ready
No

Additional data

The ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC was released in Q4/2022 at a price of 899 $. The graphics card manufactured in 5 nm is connected to the system via PCIe 4 x 16 lanes.

GPU Interface
PCIe 4 x 16
Release date
Q4/2022
Launch Price
899 $ (Reference)
Structure size
5 nm
Part-no
RX7900XT PG 20GO
Documents
data sheet
ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC
1.500 GHz · 20 GB · 300 W TDP
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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 Rank 529 / 5,633

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    12,583
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    12,685

Port Royal (Raytracing) Rank 794 / 4,176

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    14,115
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    14,229

Speed Way Graphics Score (Raytracing) Rank 1,328 / 3,536

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    4,576
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    4,613

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) Rank 1,292 / 3,187

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    51 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    50 fps (avg)

2560x1440 (1440p) Rank 527 / 3,190

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    108 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    94 fps (avg)

1920x1080 (1080p) Rank 419 / 3,222

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    161 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    158 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) Rank 444 / 2,190

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    45 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    44 fps (avg)

2560x1440 (1440p) Rank 436 / 2,709

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    90 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    88 fps (avg)

1920x1080 (1080p) Rank 538 / 2,843

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    141 fps (avg)
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    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 Rank 888 / 5,255

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    173,613
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    170,054

Geekbench 6 - Vulkan Rank 344 / 5,233

  1. ASRock Radeon RX 7900 XT Phantom Gaming 20GB OCASRock Radeon RX 7900 XT Phantom Gaming 20GB OC20 GB GDDR6
    200,558
  2. AMD Radeon RX 7900 XTAMD Radeon RX 7900 XTAverage of gpu group
    196,447

MonkeyBench 2026.3 · browser GPU test

Average of 31 public MonkeyBench results (WebGPU) for the AMD Radeon RX 7900 XT.

866GPU points (Ø)
Rank 11 / 537 · in the MonkeyBench GPU ranking

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