AMD Radeon RX 6600M vs AMD Radeon RX 6800 XT

Comparative analysis of AMD Radeon RX 6600M and AMD Radeon RX 6800 XT 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 - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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, 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).

AMD Radeon RX 6600M

AMD Radeon RX 6800 XT

Differences

Reasons to consider the AMD Radeon RX 6600M

Videocard is newer: launch date 3 year(s) 5 month(s) later
2x lower typical power consumption: 150 Watt vs 300 Watt
2.3x better performance in GFXBench 4.0 - Manhattan (Frames): 8612 vs 3720
2.4x better performance in GFXBench 4.0 - T-Rex (Frames): 8006 vs 3374
2.3x better performance in GFXBench 4.0 - Manhattan (Fps): 8612 vs 3720
2.4x better performance in GFXBench 4.0 - T-Rex (Fps): 8006 vs 3374

Specifications (specs)
Launch date	2021 vs 28 Oct 2020
Thermal Design Power (TDP)	150 Watt vs 300 Watt
Benchmarks
GFXBench 4.0 - Manhattan (Frames)	8612 vs 3720
GFXBench 4.0 - T-Rex (Frames)	8006 vs 3374
GFXBench 4.0 - Manhattan (Fps)	8612 vs 3720
GFXBench 4.0 - T-Rex (Fps)	8006 vs 3374

Reasons to consider the AMD Radeon RX 6800 XT

Around 23% higher core clock speed: 1825 MHz vs 1489 MHz
Around 7% higher boost clock speed: 2250 MHz vs 2105 MHz
2.7x more texture fill rate: 648.0 GTexel/s vs 235.8 GTexel/s
2.6x more pipelines: 4608 vs 1792
2x more maximum memory size: 16 GB vs 8 GB
Around 85% better performance in PassMark - G3D Mark: 25107 vs 13595
Around 46% better performance in PassMark - G2D Mark: 1020 vs 700
2.3x better performance in Geekbench - OpenCL: 150016 vs 64614
Around 19% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 16849 vs 14178
Around 19% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 16849 vs 14178
2.4x better performance in 3DMark Fire Strike - Graphics Score: 19418 vs 7938

Specifications (specs)
Core clock speed	1825 MHz vs 1489 MHz
Boost clock speed	2250 MHz vs 2105 MHz
Texture fill rate	648.0 GTexel/s vs 235.8 GTexel/s
Pipelines	4608 vs 1792
Maximum memory size	16 GB vs 8 GB
Benchmarks
PassMark - G3D Mark	25107 vs 13595
PassMark - G2D Mark	1020 vs 700
Geekbench - OpenCL	150016 vs 64614
GFXBench 4.0 - Car Chase Offscreen (Frames)	16849 vs 14178
GFXBench 4.0 - Car Chase Offscreen (Fps)	16849 vs 14178
3DMark Fire Strike - Graphics Score	19418 vs 7938

Compare benchmarks

GPU 1: AMD Radeon RX 6600M
GPU 2: AMD Radeon RX 6800 XT

PassMark - G3D Mark

GPU 1

GPU 2

13595

25107

PassMark - G2D Mark

GPU 1

GPU 2

700

1020

Geekbench - OpenCL

GPU 1

GPU 2

64614

150016

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

14178

16849

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

8612

3720

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

8006

3374

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

14178

16849

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

8612

3720

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

8006

3374

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

7938

19418

Name	AMD Radeon RX 6600M	AMD Radeon RX 6800 XT
PassMark - G3D Mark	13595	25107
PassMark - G2D Mark	700	1020
Geekbench - OpenCL	64614	150016
GFXBench 4.0 - Car Chase Offscreen (Frames)	14178	16849
GFXBench 4.0 - Manhattan (Frames)	8612	3720
GFXBench 4.0 - T-Rex (Frames)	8006	3374
GFXBench 4.0 - Car Chase Offscreen (Fps)	14178	16849
GFXBench 4.0 - Manhattan (Fps)	8612	3720
GFXBench 4.0 - T-Rex (Fps)	8006	3374
3DMark Fire Strike - Graphics Score	7938	19418
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

Compare specifications (specs)

	AMD Radeon RX 6600M	AMD Radeon RX 6800 XT
Essentials
Architecture	RDNA 2.0	RDNA 2.0
Code name	Navi 23	Navi 21
Launch date	2021	28 Oct 2020
Place in performance rating	151	62
Type	Laptop	Desktop
Launch price (MSRP)		$649
Technical info
Boost clock speed	2105 MHz	2250 MHz
Compute units	28	72
Core clock speed	1489 MHz	1825 MHz
Manufacturing process technology	7 nm	7 nm
Peak Double Precision (FP64) Performance	471.5 GFLOPS (1:16)	1296 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	15.09 TFLOPS (2:1)	41.47 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	7.544 TFLOPS	20.74 TFLOPS
Pipelines	1792	4608
Pixel fill rate	134.7 GPixel/s	288.0 GPixel/s
Texture fill rate	235.8 GTexel/s	648.0 GTexel/s
Thermal Design Power (TDP)	150 Watt	300 Watt
Transistor count	11060 million	26800 million
Video outputs and ports
Display Connectors	No outputs	1x HDMI, 2x DisplayPort, 1x USB Type-C
Compatibility, dimensions and requirements
Interface	PCIe 4.0 x8	PCIe 4.0 x16
Supplementary power connectors	None	2x 8-pin
Height		50 mm (2 inches)
Length		267 mm (10.5 inches)
Recommended system power (PSU)		700 Watt
Width		120 mm (4.7 inches)
API support
DirectX	12.2	12.2
OpenCL	2.1	2.1
OpenGL	4.6	4.6
Shader Model	6.5	6.5
Vulkan
Memory
Maximum RAM amount	8 GB	16 GB
Memory bandwidth	256 GB/s	512.0 GB/s
Memory bus width	128 bit	256 bit
Memory clock speed	2000 MHz (16 Gbps effective)	2000 MHz (16 Gbps effective)
Memory type	GDDR6	GDDR6