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.

AMD Radeon RX 7900M

AMD Radeon RX 6600

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 6% better performance in PassMark - G2D Mark: 928 vs 876
Around 52% better performance in PassMark - G3D Mark: 22956 vs 15148
Around 62% better performance in Geekbench - OpenCL: 117969 vs 72690

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	928 vs 876
PassMark - G3D Mark	22956 vs 15148
Geekbench - OpenCL	117969 vs 72690

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

928

876

PassMark - G3D Mark

GPU 1

GPU 2

22956

15148

Geekbench - OpenCL

GPU 1

GPU 2

117969

72690

Name	AMD Radeon RX 7900M	AMD Radeon RX 6600
PassMark - G2D Mark	928	876
PassMark - G3D Mark	22956	15148
Geekbench - OpenCL	117969	72690
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	40
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