GPU comparison with benchmarks

AMD Radeon RX 7900 XTX vs Gainward GeForce RTX 4080 Phoenix

AMD Radeon RX 7900 XTX
AMD Radeon RX 7900 XTX 24 GB GDDR6 · 2.50 GHz · 355 W Speed index 51/100
Gainward GeForce RTX 4080 Phoenix
Gainward GeForce RTX 4080 Phoenix 16 GB GDDR6X · 2.51 GHz · 320 W Speed index 40/100
In the gpu comparison between the AMD Radeon RX 7900 XTX and the Gainward GeForce RTX 4080 Phoenix, we compare both the technical data and the benchmark results of the two graphics cards.

Quick comparison

In FP32 performance, the AMD Radeon RX 7900 XTX is 26 % faster than the Gainward GeForce RTX 4080 Phoenix.

AMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
Speed index
51/100
40/100
FP32
61.44 TFLOPS
48.74 TFLOPS
Boost Clock
2.50 GHz
2.51 GHz
Memory Size
24 GB GDDR6
16 GB GDDR6X
Memory bandwidth
960 GB/s
717 GB/s
TDP
355 W
320 W
Launch Price
999 $
1,199 $
1,026 pts
921 pts

GPU

GPUAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
Based onAMD Radeon RX 7900 XTXNVIDIA GeForce RTX 4080
GPU ChipNavi 31AD103-300-A1
Streaming Multiprocessors9676
Shader61449728
Render Output Units192112
Texture Units384304
Raytracing Cores9676
More information
The AMD Radeon RX 7900 XTX is based on the AMD Radeon RX 7900 XTX and has 6144 texture shaders and 96 execution units.

Gainward GeForce RTX 4080 Phoenix is based on NVIDIA GeForce RTX 4080, which has 9728 shaders and 76 execution units.

Memory

MemoryAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
Memory Size24 GB16 GB
Memory TypeGDDR6GDDR6X
Memory Clock2.500 GHz1.400 GHz
Memory Speed20.0 Gbps22.4 Gbps
Memory bandwidth960 GB/s717 GB/s
Memory Interface384 bit256 bit
More information
The AMD Radeon RX 7900 XTX has 24 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 960 GB/s.

The Gainward GeForce RTX 4080 Phoenix can access 16 GB GDDR6X graphics memory and thus achieves a memory bandwidth of 717 GB/s.

Clock Speeds

Clock SpeedsAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
Base Clock1.900 GHz2.205 GHz
Boost Clock2.500 GHz2.505 GHz
Avg (Game) Clock2.30 GHz--
OverclockingYesYes
More information
The AMD Radeon RX 7900 XTX clocks in the base with up to 1.900 GHz. The base frequency of the Gainward GeForce RTX 4080 Phoenix is 2.205 GHz.

Thermal Design

Thermal DesignAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
TDP355 W320 W
Tjunction max97 °C90 °C
PCIe-Power2 x 8-Pin1 x 16-Pin
More information
The TDP (Thermal Design Power) of the AMD Radeon RX 7900 XTX is 355 W. The graphics card is supplied with energy via the 2 x 8-Pin connector.

The Gainward GeForce RTX 4080 Phoenix has a TDP of 320 W and is supplied with the required energy via 1 x 16-Pin PCIe power connectors.

Cooler & Fans

Cooler & FansAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
Fan-TypeAxialAxial
Fan 13 x 90 mm3 x 100 mm
Cooler-TypeAir coolingAir cooling
Noise (Idle)0 dB0 dB
Noise (Load)40 dB--
More information
The AMD Radeon RX 7900 XTX has a total of 3 Axial fans.

The Gainward GeForce RTX 4080 Phoenix has 3 Axial fans to cool the GPU and memory.

Connectivity

ConnectivityAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
Max. Displays44
HDCP2.32.3
HDMI1x HDMI 2.11x HDMI 2.1a
DisplayPort2x DP 2.13x DP 1.4a
USB-C1--
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 7900 XTX.

The Gainward GeForce RTX 4080 Phoenix supports a maximum of 4 screens.

Featureset

FeaturesetAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
Max. resolution7680x43207680x4320
DirectX12_2 (Ultimate)12_2 (Ultimate)
RaytracingYesYes
DLSS / FSRYesYes
LEDNo LED lightingAddressable LED
More information
The AMD Radeon RX 7900 XTX supports a maximum resolution of 7680x4320 pixels.

The maximum resolution of the Gainward GeForce RTX 4080 Phoenix is 7680x4320 pixels.

Supported Video Codecs

Supported Video CodecsAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
h264Decode / EncodeDecode / Encode
h265 / HEVCDecode / EncodeDecode / Encode
VP8Decode / EncodeDecode
VP9Decode / EncodeDecode
AV1Decode / EncodeDecode
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 7900 XTXGainward GeForce RTX 4080 Phoenix
Length287 mm329 mm
Height123 mm131 mm
Width51 mm64 mm
Width (Slots)3 Slots3 Slots
SFF-ReadyNoNo
More information
The AMD Radeon RX 7900 XTX is 287 mm long, 123 mm high and 51 mm wide.

The Gainward GeForce RTX 4080 Phoenix is 329 mm long, 131 mm high and 64 mm wide.

Additional data

Additional dataAMD Radeon RX 7900 XTXGainward GeForce RTX 4080 Phoenix
GPU InterfacePCIe 4 x 16PCIe 4.0 x 16
Release dateQ4/2022Q4/2022
Launch Price999 $1,199 $
Structure size5 nm5 nm
Part-no--471056224-3697
Documentsdata sheetdata sheet
More information
The AMD Radeon RX 7900 XTX was released in Q4/2022 at a price of 999 $.

The Gainward GeForce RTX 4080 Phoenix was introduced in Q4/2022 at a price of 1,199 $.

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 AMD Radeon RX 7900 XTX +3.1 %

  1. 14,216
  2. 13,789

Steel Nomad Light Graphics score

  1. no data
  2. 29,602

Steel Nomad Graphics score

  1. no data
  2. 7,069

Port Royal (Raytracing) Gainward GeForce RTX 4080 Phoenix +13.5 %

  1. 15,913
  2. 18,067

Speed Way Graphics Score (Raytracing) Gainward GeForce RTX 4080 Phoenix +23.3 %

  1. 5,907
  2. 7,281

Solar Bay (Raytracing)

  1. no data
  2. 137,601

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) Gainward GeForce RTX 4080 Phoenix +20.0 %

  1. 60 fps (avg)
  2. 72 fps (avg)

2560x1440 (1440p) AMD Radeon RX 7900 XTX +1.7 %

  1. 122 fps (avg)
  2. 120 fps (avg)

1920x1080 (1080p) Gainward GeForce RTX 4080 Phoenix +2.3 %

  1. 176 fps (avg)
  2. 180 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) Gainward GeForce RTX 4080 Phoenix +3.8 %

  1. 52 fps (avg)
  2. 54 fps (avg)

2560x1440 (1440p) Gainward GeForce RTX 4080 Phoenix +13.7 %

  1. 95 fps (avg)
  2. 108 fps (avg)

1920x1080 (1080p) Gainward GeForce RTX 4080 Phoenix +4.2 %

  1. 142 fps (avg)
  2. 148 fps (avg)

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)

  1. no data
  2. 140 fps (avg)

2560x1440 (1440p)

  1. no data
  2. 200 fps (avg)

1920x1080 (1080p)

  1. no data
  2. 200 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 Gainward GeForce RTX 4080 Phoenix +22.3 %

  1. 196,758
  2. 240,618

Geekbench 6 - Vulkan AMD Radeon RX 7900 XTX +1.4 %

  1. 211,455
  2. 208,497

Rate these graphics cards now

Here you can rate the AMD Radeon RX 7900 XTX to help other visitors make their purchasing decisions. The average rating is 4.0 stars (42 ratings). Rate now:

Here you can rate the Gainward GeForce RTX 4080 Phoenix to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:

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