AMD Radeon RX 6600M vs AMD Radeon RX 6800

Comparative analysis of AMD Radeon RX 6600M and AMD Radeon RX 6800 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

Differences

Reasons to consider the AMD Radeon RX 6600M

Videocard is newer: launch date 3 year(s) 5 month(s) later
Around 67% lower typical power consumption: 150 Watt vs 250 Watt
2.3x better performance in GFXBench 4.0 - Manhattan (Frames): 8612 vs 3719
2.4x better performance in GFXBench 4.0 - T-Rex (Frames): 8006 vs 3373
2.3x better performance in GFXBench 4.0 - Manhattan (Fps): 8612 vs 3719
2.4x better performance in GFXBench 4.0 - T-Rex (Fps): 8006 vs 3373

Specifications (specs)
Launch date	2021 vs 28 Oct 2020
Thermal Design Power (TDP)	150 Watt vs 250 Watt
Benchmarks
GFXBench 4.0 - Manhattan (Frames)	8612 vs 3719
GFXBench 4.0 - T-Rex (Frames)	8006 vs 3373
GFXBench 4.0 - Manhattan (Fps)	8612 vs 3719
GFXBench 4.0 - T-Rex (Fps)	8006 vs 3373

Reasons to consider the AMD Radeon RX 6800

Around 14% higher core clock speed: 1700 MHz vs 1489 MHz
2.1x more texture fill rate: 505.2 GTexel/s vs 235.8 GTexel/s
2.1x more pipelines: 3840 vs 1792
2x more maximum memory size: 16 GB vs 8 GB
Around 64% better performance in PassMark - G3D Mark: 22318 vs 13595
Around 39% better performance in PassMark - G2D Mark: 973 vs 700
Around 95% better performance in Geekbench - OpenCL: 126234 vs 64642
Around 14% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 16162 vs 14178
Around 14% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 16162 vs 14178
2.1x better performance in 3DMark Fire Strike - Graphics Score: 16306 vs 7940

Specifications (specs)
Core clock speed	1700 MHz vs 1489 MHz
Texture fill rate	505.2 GTexel/s vs 235.8 GTexel/s
Pipelines	3840 vs 1792
Maximum memory size	16 GB vs 8 GB
Benchmarks
PassMark - G3D Mark	22318 vs 13595
PassMark - G2D Mark	973 vs 700
Geekbench - OpenCL	126234 vs 64642
GFXBench 4.0 - Car Chase Offscreen (Frames)	16162 vs 14178
GFXBench 4.0 - Car Chase Offscreen (Fps)	16162 vs 14178
3DMark Fire Strike - Graphics Score	16306 vs 7940

Compare benchmarks

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

PassMark - G3D Mark

GPU 1

GPU 2

13595

22318

PassMark - G2D Mark

GPU 1

GPU 2

700

973

Geekbench - OpenCL

GPU 1

GPU 2

64642

126234

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

14178

16162

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

8612

3719

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

8006

3373

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

14178

16162

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

8612

3719

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

8006

3373

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

7940

16306

Name	AMD Radeon RX 6600M	AMD Radeon RX 6800
PassMark - G3D Mark	13595	22318
PassMark - G2D Mark	700	973
Geekbench - OpenCL	64642	126234
GFXBench 4.0 - Car Chase Offscreen (Frames)	14178	16162
GFXBench 4.0 - Manhattan (Frames)	8612	3719
GFXBench 4.0 - T-Rex (Frames)	8006	3373
GFXBench 4.0 - Car Chase Offscreen (Fps)	14178	16162
GFXBench 4.0 - Manhattan (Fps)	8612	3719
GFXBench 4.0 - T-Rex (Fps)	8006	3373
3DMark Fire Strike - Graphics Score	7940	16306
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		432.118
CompuBench 1.5 Desktop - T-Rex (Frames/s)		41.585
CompuBench 1.5 Desktop - Video Composition (Frames/s)		383.037
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2280.457

Compare specifications (specs)

	AMD Radeon RX 6600M	AMD Radeon RX 6800
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	76
Type	Laptop	Desktop
Launch price (MSRP)		$579
Technical info
Boost clock speed	2105 MHz	2105 MHz
Compute units	28	60
Core clock speed	1489 MHz	1700 MHz
Manufacturing process technology	7 nm	7 nm
Peak Double Precision (FP64) Performance	471.5 GFLOPS (1:16)	1010 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	15.09 TFLOPS (2:1)	32.33 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	7.544 TFLOPS	16.17 TFLOPS
Pipelines	1792	3840
Pixel fill rate	134.7 GPixel/s	202.1 GPixel/s
Texture fill rate	235.8 GTexel/s	505.2 GTexel/s
Thermal Design Power (TDP)	150 Watt	250 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		40 mm (1.6 inches)
Length		267 mm (10.5 inches)
Recommended system power (PSU)		600 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