AMD Radeon RX 7800 XT vs NVIDIA GeForce RTX 4080 Mobile

Comparative analysis of AMD Radeon RX 7800 XT and NVIDIA GeForce RTX 4080 Mobile videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the AMD Radeon RX 7800 XT

  • Around 46% higher boost clock speed: 2430 MHz vs 1665 MHz
  • Around 51% higher texture fill rate: 583.2 GTexel/s vs 386.3 GTexel/s
  • Around 33% higher maximum memory size: 16 GB vs 12 GB
  • Around 22% higher memory clock speed: 2438 MHz, 19.5 Gbps effective vs 2000 MHz, 16 Gbps effective
  • Around 17% better performance in PassMark - G2D Mark: 1123 vs 962
  • Around 6% better performance in 3DMark Fire Strike - Graphics Score: 20025 vs 18975
Specifications (specs)
Core clock speed 1295 MHz vs 1290 MHz
Boost clock speed 2430 MHz vs 1665 MHz
Texture fill rate 583.2 GTexel/s vs 386.3 GTexel/s
Maximum memory size 16 GB vs 12 GB
Memory clock speed 2438 MHz, 19.5 Gbps effective vs 2000 MHz, 16 Gbps effective
Benchmarks
PassMark - G2D Mark 1123 vs 962
3DMark Fire Strike - Graphics Score 20025 vs 18975

Reasons to consider the NVIDIA GeForce RTX 4080 Mobile

  • Videocard is newer: launch date 8 month(s) later
  • Around 93% higher pipelines: 7424 vs 3840
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
  • Around 75% lower typical power consumption: 150 Watt vs 263 Watt
  • Around 7% better performance in PassMark - G3D Mark: 25630 vs 23966
  • Around 16% better performance in Geekbench - OpenCL: 161403 vs 139316
Specifications (specs)
Launch date 2023 vs 25 Aug 2023
Pipelines 7424 vs 3840
Manufacturing process technology 4 nm vs 5 nm
Thermal Design Power (TDP) 150 Watt vs 263 Watt
Benchmarks
PassMark - G3D Mark 25630 vs 23966
Geekbench - OpenCL 161403 vs 139316

Compare benchmarks

GPU 1: AMD Radeon RX 7800 XT
GPU 2: NVIDIA GeForce RTX 4080 Mobile

PassMark - G2D Mark
GPU 1
GPU 2
1123
962
PassMark - G3D Mark
GPU 1
GPU 2
23966
25630
Geekbench - OpenCL
GPU 1
GPU 2
139316
161403
3DMark Fire Strike - Graphics Score
GPU 1
GPU 2
20025
18975
Name AMD Radeon RX 7800 XT NVIDIA GeForce RTX 4080 Mobile
PassMark - G2D Mark 1123 962
PassMark - G3D Mark 23966 25630
Geekbench - OpenCL 139316 161403
3DMark Fire Strike - Graphics Score 20025 18975

Compare specifications (specs)

AMD Radeon RX 7800 XT NVIDIA GeForce RTX 4080 Mobile

Essentials

Architecture RDNA 3.0 Ada Lovelace
Code name Navi 32 AD104
Launch date 25 Aug 2023 2023
Place in performance rating 26 29

Technical info

Boost clock speed 2430 MHz 1665 MHz
Compute units 60
Core clock speed 1295 MHz 1290 MHz
Manufacturing process technology 5 nm 4 nm
Pipelines 3840 7424
Pixel fill rate 233.3 GPixel/s 133.2 GPixel/s
Texture fill rate 583.2 GTexel/s 386.3 GTexel/s
Thermal Design Power (TDP) 263 Watt 150 Watt
Transistor count 28100 million 35800 million
Peak Double Precision (FP64) Performance 386.3 GFLOPS (1:64)
Peak Half Precision (FP16) Performance 24.72 TFLOPS (1:1)
Peak Single Precision (FP32) Performance 24.72 TFLOPS

Video outputs and ports

Display Connectors 1x HDMI 2.1a, 3x DisplayPort 2.1 Portable Device Dependent

Compatibility, dimensions and requirements

Form factor Dual-slot IGP
Height 50 mm, 2 inches
Interface PCIe 4.0 x16 PCIe 4.0 x16
Length 267 mm, 10.5 inches
Recommended system power (PSU) 600 Watt
Supplementary power connectors 2x 8-pin None
Width 111 mm, 4.4 inches

API support

DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenCL 2.2 3.0
OpenGL 4.6 4.6
Shader Model 6.7 6.7
Vulkan

Memory

Maximum RAM amount 16 GB 12 GB
Memory bandwidth 624.1 GB/s 384.0 GB/s
Memory bus width 256 bit 192 bit
Memory clock speed 2438 MHz, 19.5 Gbps effective 2000 MHz, 16 Gbps effective
Memory type GDDR6 GDDR6