AMD Radeon RX 7900M vs AMD Radeon RX 6600

Comparative analysis of AMD Radeon RX 7900M and AMD Radeon RX 6600 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/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 AMD Radeon RX 7900M

  • Videocard is newer: launch date 2 year(s) 0 month(s) later
  • Around 12% higher core clock speed: 1825 MHz vs 1626 MHz
  • 2.2x more texture fill rate: 601.9 GTexel/s vs 279.0 GTexel/s
  • 2.6x more pipelines: 4608 vs 1792
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 5 nm vs 7 nm
  • 2x more maximum memory size: 16 GB vs 8 GB
  • Around 29% higher memory clock speed: 2250 MHz, 18 Gbps effective vs 1750 MHz (14 Gbps effective)
  • Around 5% better performance in PassMark - G2D Mark: 920 vs 874
  • Around 49% better performance in PassMark - G3D Mark: 22520 vs 15161
  • Around 62% better performance in Geekbench - OpenCL: 117210 vs 72457
Specifications (specs)
Launch date 19 Oct 2023 vs 13 Oct 2021
Core clock speed 1825 MHz vs 1626 MHz
Texture fill rate 601.9 GTexel/s vs 279.0 GTexel/s
Pipelines 4608 vs 1792
Manufacturing process technology 5 nm vs 7 nm
Maximum memory size 16 GB vs 8 GB
Memory clock speed 2250 MHz, 18 Gbps effective vs 1750 MHz (14 Gbps effective)
Benchmarks
PassMark - G2D Mark 920 vs 874
PassMark - G3D Mark 22520 vs 15161
Geekbench - OpenCL 117210 vs 72457

Reasons to consider the AMD Radeon RX 6600

  • Around 19% higher boost clock speed: 2491 MHz vs 2090 MHz
  • Around 36% lower typical power consumption: 132 Watt vs 180 Watt
Boost clock speed 2491 MHz vs 2090 MHz
Thermal Design Power (TDP) 132 Watt vs 180 Watt

Compare benchmarks

GPU 1: AMD Radeon RX 7900M
GPU 2: AMD Radeon RX 6600

PassMark - G2D Mark
GPU 1
GPU 2
920
874
PassMark - G3D Mark
GPU 1
GPU 2
22520
15161
Geekbench - OpenCL
GPU 1
GPU 2
117210
72457
Name AMD Radeon RX 7900M AMD Radeon RX 6600
PassMark - G2D Mark 920 874
PassMark - G3D Mark 22520 15161
Geekbench - OpenCL 117210 72457
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 260.061
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 5472.868
CompuBench 1.5 Desktop - T-Rex (Frames/s) 20.421
CompuBench 1.5 Desktop - Video Composition (Frames/s) 290.312
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1152.228
GFXBench 4.0 - Car Chase Offscreen (Frames) 19713
GFXBench 4.0 - Manhattan (Frames) 26778
GFXBench 4.0 - T-Rex (Frames) 69225
GFXBench 4.0 - Car Chase Offscreen (Fps) 19713
GFXBench 4.0 - Manhattan (Fps) 26778
GFXBench 4.0 - T-Rex (Fps) 69225
3DMark Fire Strike - Graphics Score 8083

Compare specifications (specs)

AMD Radeon RX 7900M AMD Radeon RX 6600

Essentials

Architecture RDNA 3.0 RDNA 2.0
Code name Navi 31 Navi 23 XL
Launch date 19 Oct 2023 13 Oct 2021
Place in performance rating 39 38
Launch price (MSRP) $329
Type Desktop

Technical info

Boost clock speed 2090 MHz 2491 MHz
Compute units 72 28
Core clock speed 1825 MHz 1626 MHz
Manufacturing process technology 5 nm 7 nm
Pipelines 4608 1792
Pixel fill rate 267.5 GPixel/s 159.4 GPixel/s
Texture fill rate 601.9 GTexel/s 279.0 GTexel/s
Thermal Design Power (TDP) 180 Watt 132 Watt
Transistor count 57700 million 11060 million
Peak Double Precision (FP64) Performance 558.0 GFLOPS (1:16)
Peak Half Precision (FP16) Performance 17.86 TFLOPS (2:1)
Peak Single Precision (FP32) Performance 8.928 TFLOPS

Video outputs and ports

Display Connectors Portable Device Dependent 1x HDMI, 3x DisplayPort
DisplayPort count 3
DisplayPort support
HDMI

Compatibility, dimensions and requirements

Form factor IGP Dual-slot
Interface PCIe 4.0 x16 PCIe 4.0 x8
Supplementary power connectors None 1x 8-pin
Height 40 mm (1.6 inches)
Length 190 mm (7.5 inches)
Recommended system power (PSU) 300 Watt
Width 110 mm (4.3 inches)

API support

DirectX 12 Ultimate (12_2) 12.2
OpenCL 2.2 2.1
OpenGL 4.6 4.6
Shader Model 6.7 6.5
Vulkan

Memory

Maximum RAM amount 16 GB 8 GB
Memory bandwidth 576.0 GB/s 224 GB/s
Memory bus width 256 bit 128 bit
Memory clock speed 2250 MHz, 18 Gbps effective 1750 MHz (14 Gbps effective)
Memory type GDDR6 GDDR6