GPU comparison with benchmarks

AMD Radeon RX 7800 XT vs GIGABYTE Radeon RX 7900 XT GAMING OC 20G

AMD Radeon RX 7800 XT
AMD Radeon RX 7800 XT 16 GB GDDR6 · 2.43 GHz · 263 W Speed index 31/100
In the gpu comparison between the AMD Radeon RX 7800 XT and the GIGABYTE Radeon RX 7900 XT GAMING OC 20G, we compare both the technical data and the benchmark results of the two graphics cards.

Quick comparison

In FP32 performance, the GIGABYTE Radeon RX 7900 XT GAMING OC 20G is 46 % faster than the AMD Radeon RX 7800 XT.

AMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
Speed index
31/100
45/100
FP32
37.32 TFLOPS
54.51 TFLOPS
Boost Clock
2.43 GHz
2.54 GHz
Memory Size
16 GB GDDR6
20 GB GDDR6
Memory bandwidth
624 GB/s
800 GB/s
TDP
263 W
300 W
Launch Price
499 $
899 $
629 pts
882 pts

GPU

GPUAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
Based onAMD Radeon RX 7800 XTAMD Radeon RX 7900 XT
GPU ChipNavi 32 XTNavi 31
Streaming Multiprocessors6084
Shader38405376
Render Output Units96192
Texture Units240336
Raytracing Cores6084
More information
The AMD Radeon RX 7800 XT is based on the AMD Radeon RX 7800 XT and has 3840 texture shaders and 60 execution units.

GIGABYTE Radeon RX 7900 XT GAMING OC 20G is based on AMD Radeon RX 7900 XT, which has 5376 shaders and 84 execution units.

Memory

MemoryAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
Memory Size16 GB20 GB
Memory TypeGDDR6GDDR6
Memory Clock2.438 GHz2.500 GHz
Memory Speed19.5 Gbps20.0 Gbps
Memory bandwidth624 GB/s800 GB/s
Memory Interface256 bit320 bit
More information
The AMD Radeon RX 7800 XT has 16 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 624 GB/s.

The GIGABYTE Radeon RX 7900 XT GAMING OC 20G can access 20 GB GDDR6 graphics memory and thus achieves a memory bandwidth of 800 GB/s.

Clock Speeds

Clock SpeedsAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
Base Clock1.800 GHz1.500 GHz
Boost Clock2.430 GHz2.535 GHz
Avg (Game) Clock2.12 GHz2.18 GHz
OverclockingYesYes
More information
The AMD Radeon RX 7800 XT clocks in the base with up to 1.800 GHz. The base frequency of the GIGABYTE Radeon RX 7900 XT GAMING OC 20G is 1.500 GHz.

Thermal Design

Thermal DesignAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
TDP263 W300 W
Tjunction max96 °C97 °C
PCIe-Power2 x 8-Pin2 x 8-Pin
More information
The TDP (Thermal Design Power) of the AMD Radeon RX 7800 XT is 263 W. The graphics card is supplied with energy via the 2 x 8-Pin connector.

The GIGABYTE Radeon RX 7900 XT GAMING OC 20G has a TDP of 300 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors.

Cooler & Fans

Cooler & FansAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
Fan-TypeAxialAxial
Fan 12 x 90 mm3 x 100 mm
Cooler-TypeAir coolingAir cooling
Noise (Idle)0 dB0 dB
More information
The AMD Radeon RX 7800 XT has a total of 2 Axial fans.

The GIGABYTE Radeon RX 7900 XT GAMING OC 20G has 3 Axial fans to cool the GPU and memory.

Connectivity

ConnectivityAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
Max. Displays44
HDCP2.32.3
HDMI1x HDMI 2.1a2x HDMI 2.1
DisplayPort3x DP 2.12x DP 2.1
More information
In the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the AMD Radeon RX 7800 XT.

The GIGABYTE Radeon RX 7900 XT GAMING OC 20G supports a maximum of 4 screens.

Featureset

FeaturesetAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
Max. resolution7680x43207680x4320
DirectX12_2 (Ultimate)12_2 (Ultimate)
RaytracingYesYes
DLSS / FSRYesYes
LEDAddressable LEDGIGABYTE RGB Fusion
More information
The AMD Radeon RX 7800 XT supports a maximum resolution of 7680x4320 pixels.

The maximum resolution of the GIGABYTE Radeon RX 7900 XT GAMING OC 20G is 7680x4320 pixels.

Supported Video Codecs

Supported Video CodecsAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
h264Decode / EncodeDecode / Encode
h265 / HEVCDecode / EncodeDecode / Encode
VP8Decode / EncodeDecode / Encode
VP9Decode / EncodeDecode / Encode
AV1Decode / EncodeDecode / Encode
More information
The support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos.

Dimensions

DimensionsAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
Length267 mm331 mm
Height135 mm138 mm
Width50 mm50 mm
Width (Slots)3 Slots3 Slots
SFF-ReadyNoNo
More information
The AMD Radeon RX 7800 XT is 267 mm long, 135 mm high and 50 mm wide.

The GIGABYTE Radeon RX 7900 XT GAMING OC 20G is 331 mm long, 138 mm high and 50 mm wide.

Additional data

Additional dataAMD Radeon RX 7800 XTGIGABYTE Radeon RX 7900 XT GAMING OC 20G
GPU InterfacePCIe 4 x 16PCIe 4 x 16
Release dateQ3/2023Q4/2022
Launch Price499 $899 $
Structure size5 nm5 nm
Part-no--GV-R79XTGAMING OC-20GD
Documentsdata sheetdata sheet
More information
The AMD Radeon RX 7800 XT was released in Q3/2023 at a price of 499 $.

The GIGABYTE Radeon RX 7900 XT GAMING OC 20G was introduced in Q4/2022 at a price of 899 $.

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 GIGABYTE Radeon RX 7900 XT GAMING OC 20G +35.7 %

  1. 9,438
  2. 12,803

Port Royal (Raytracing) GIGABYTE Radeon RX 7900 XT GAMING OC 20G +38.0 %

  1. 10,409
  2. 14,361

Speed Way Graphics Score (Raytracing) GIGABYTE Radeon RX 7900 XT GAMING OC 20G +24.2 %

  1. 3,748
  2. 4,656

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) GIGABYTE Radeon RX 7900 XT GAMING OC 20G +39.5 %

  1. 38 fps (avg)
  2. 53 fps (avg)

2560x1440 (1440p) GIGABYTE Radeon RX 7900 XT GAMING OC 20G +36.6 %

  1. 82 fps (avg)
  2. 112 fps (avg)

1920x1080 (1080p) GIGABYTE Radeon RX 7900 XT GAMING OC 20G +32.5 %

  1. 126 fps (avg)
  2. 167 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) GIGABYTE Radeon RX 7900 XT GAMING OC 20G +12.2 %

  1. 41 fps (avg)
  2. 46 fps (avg)

2560x1440 (1440p) GIGABYTE Radeon RX 7900 XT GAMING OC 20G +10.7 %

  1. 84 fps (avg)
  2. 93 fps (avg)

1920x1080 (1080p) GIGABYTE Radeon RX 7900 XT GAMING OC 20G +10.6 %

  1. 132 fps (avg)
  2. 146 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 GIGABYTE Radeon RX 7900 XT GAMING OC 20G +35.5 %

  1. 132,588
  2. 179,609

Geekbench 6 - Vulkan GIGABYTE Radeon RX 7900 XT GAMING OC 20G +41.3 %

  1. 146,797
  2. 207,485

Rate these graphics cards now

Here you can rate the AMD Radeon RX 7800 XT to help other visitors make their purchasing decisions. The average rating is 4.7 stars (85 ratings). Rate now:

Here you can rate the GIGABYTE Radeon RX 7900 XT GAMING OC 20G to help other visitors make their purchasing decisions. The average rating is 3.0 stars (2 ratings). Rate now:

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