Apple M2 Ultra 76-core vs AMD Radeon RX 6800 XT

Comparative analysis of Apple M2 Ultra 76-core and AMD Radeon RX 6800 XT videocards for all known characteristics in the following categories: Essentials, Technical info, Memory, Video outputs and ports, Compatibility, dimensions and requirements, API support. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the Apple M2 Ultra 76-core

  • Videocard is newer: launch date 2 year(s) 7 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 5 nm vs 7 nm
Launch date 13 Jun 2023 vs 28 Oct 2020
Manufacturing process technology 5 nm vs 7 nm

Reasons to consider the AMD Radeon RX 6800 XT

  • Around 31% higher core clock speed: 1825 MHz vs 1398 MHz
  • 60.6x more pipelines: 4608 vs 76
Core clock speed 1825 MHz vs 1398 MHz
Pipelines 4608 vs 76

Compare benchmarks

GPU 1: Apple M2 Ultra 76-core
GPU 2: AMD Radeon RX 6800 XT

Name Apple M2 Ultra 76-core AMD Radeon RX 6800 XT
PassMark - G3D Mark 25004
PassMark - G2D Mark 1025
Geekbench - OpenCL 154220
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 578.52
CompuBench 1.5 Desktop - T-Rex (Frames/s) 52.561
CompuBench 1.5 Desktop - Video Composition (Frames/s) 291.971
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2700.97
GFXBench 4.0 - Car Chase Offscreen (Frames) 16849
GFXBench 4.0 - Manhattan (Frames) 3720
GFXBench 4.0 - T-Rex (Frames) 3374
GFXBench 4.0 - Car Chase Offscreen (Fps) 16849
GFXBench 4.0 - Manhattan (Fps) 3720
GFXBench 4.0 - T-Rex (Fps) 3374
3DMark Fire Strike - Graphics Score 3689

Compare specifications (specs)

Apple M2 Ultra 76-core AMD Radeon RX 6800 XT

Essentials

Launch date 13 Jun 2023 28 Oct 2020
Place in performance rating not rated 71
Architecture RDNA 2.0
Code name Navi 21
Launch price (MSRP) $649
Type Desktop

Technical info

Core clock speed 1398 MHz 1825 MHz
Manufacturing process technology 5 nm 7 nm
Peak Single Precision (FP32) Performance 27.2 TFLOPS 20.74 TFLOPS
Pipelines 76 4608
Render output units 304
Boost clock speed 2250 MHz
Compute units 72
Peak Double Precision (FP64) Performance 1296 GFLOPS (1:16)
Peak Half Precision (FP16) Performance 41.47 TFLOPS (2:1)
Pixel fill rate 288.0 GPixel/s
Texture fill rate 648.0 GTexel/s
Thermal Design Power (TDP) 300 Watt
Transistor count 26800 million

Memory

Memory bandwidth 800 GB/s 512.0 GB/s
Memory bus width 1024 bit 256 bit
Memory type LPDDR5-6400 GDDR6
Maximum RAM amount 16 GB
Memory clock speed 2000 MHz (16 Gbps effective)

Video outputs and ports

Display Connectors 1x HDMI, 2x DisplayPort, 1x USB Type-C

Compatibility, dimensions and requirements

Height 50 mm (2 inches)
Interface PCIe 4.0 x16
Length 267 mm (10.5 inches)
Recommended system power (PSU) 700 Watt
Supplementary power connectors 2x 8-pin
Width 120 mm (4.7 inches)

API support

DirectX 12.2
OpenCL 2.1
OpenGL 4.6
Shader Model 6.5
Vulkan