AMD Radeon RX 6600M vs AMD Radeon R9 270 1024SP

Comparative analysis of AMD Radeon RX 6600M and AMD Radeon R9 270 1024SP 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.

AMD Radeon RX 6600M

AMD Radeon R9 270 1024SP

Differences

Reasons to consider the AMD Radeon RX 6600M

Videocard is newer: launch date 9 year(s) 11 month(s) later
Around 65% higher core clock speed: 1489 MHz vs 900 MHz
2.3x more boost clock speed: 2105 MHz vs 925 MHz
3983.1x more texture fill rate: 235.8 GTexel/s vs 59.2 GTexel / s
Around 75% higher pipelines: 1792 vs 1024
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 28 nm
4x more maximum memory size: 8 GB vs 2 GB
2.2x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 14178 vs 6316
Around 3% better performance in GFXBench 4.0 - Manhattan (Frames): 8612 vs 8390
2.2x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 14178 vs 6316
Around 3% better performance in GFXBench 4.0 - Manhattan (Fps): 8612 vs 8390

Specifications (specs)
Launch date	2021 vs 13 March 2015
Core clock speed	1489 MHz vs 900 MHz
Boost clock speed	2105 MHz vs 925 MHz
Texture fill rate	235.8 GTexel/s vs 59.2 GTexel / s
Pipelines	1792 vs 1024
Manufacturing process technology	7 nm vs 28 nm
Maximum memory size	8 GB vs 2 GB
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames)	14178 vs 6316
GFXBench 4.0 - Manhattan (Frames)	8612 vs 8390
GFXBench 4.0 - Car Chase Offscreen (Fps)	14178 vs 6316
GFXBench 4.0 - Manhattan (Fps)	8612 vs 8390

Reasons to consider the AMD Radeon R9 270 1024SP

2.4x more memory clock speed: 4800 MHz vs 2000 MHz (16 Gbps effective)
Around 7% better performance in Geekbench - OpenCL: 70535 vs 66084
3.4x better performance in GFXBench 4.0 - T-Rex (Frames): 27566 vs 8006
3.4x better performance in GFXBench 4.0 - T-Rex (Fps): 27566 vs 8006

Specifications (specs)
Memory clock speed	4800 MHz vs 2000 MHz (16 Gbps effective)
Benchmarks
Geekbench - OpenCL	70535 vs 66084
GFXBench 4.0 - T-Rex (Frames)	27566 vs 8006
GFXBench 4.0 - T-Rex (Fps)	27566 vs 8006

Compare benchmarks

GPU 1: AMD Radeon RX 6600M
GPU 2: AMD Radeon R9 270 1024SP

Geekbench - OpenCL

GPU 1

GPU 2

66084

70535

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

14178

6316

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

8612

8390

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

8006

27566

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

14178

6316

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

8612

8390

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

8006

27566

Name	AMD Radeon RX 6600M	AMD Radeon R9 270 1024SP
PassMark - G3D Mark	13907
PassMark - G2D Mark	721
Geekbench - OpenCL	66084	70535
GFXBench 4.0 - Car Chase Offscreen (Frames)	14178	6316
GFXBench 4.0 - Manhattan (Frames)	8612	8390
GFXBench 4.0 - T-Rex (Frames)	8006	27566
GFXBench 4.0 - Car Chase Offscreen (Fps)	14178	6316
GFXBench 4.0 - Manhattan (Fps)	8612	8390
GFXBench 4.0 - T-Rex (Fps)	8006	27566
3DMark Fire Strike - Graphics Score	1500

Compare specifications (specs)

	AMD Radeon RX 6600M	AMD Radeon R9 270 1024SP
Essentials
Architecture	RDNA 2.0	GCN 1.0
Code name	Navi 23	Pitcairn
Launch date	2021	13 March 2015
Place in performance rating	170	173
Type	Laptop	Desktop
Technical info
Boost clock speed	2105 MHz	925 MHz
Compute units	28
Core clock speed	1489 MHz	900 MHz
Manufacturing process technology	7 nm	28 nm
Peak Double Precision (FP64) Performance	471.5 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	15.09 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	7.544 TFLOPS
Pipelines	1792	1024
Pixel fill rate	134.7 GPixel/s
Texture fill rate	235.8 GTexel/s	59.2 GTexel / s
Thermal Design Power (TDP)	150 Watt	150 Watt
Transistor count	11060 million	2,800 million
Floating-point performance		1,894 gflops
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x HDMI, 1x DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 4.0 x8	PCIe 3.0 x16
Supplementary power connectors	None	1x 6-pin
API support
DirectX	12.2	12.0 (11_1)
OpenCL	2.1
OpenGL	4.6	4.5
Shader Model	6.5
Vulkan
Memory
Maximum RAM amount	8 GB	2 GB
Memory bandwidth	256 GB/s	153.6 GB / s
Memory bus width	128 bit	256 Bit
Memory clock speed	2000 MHz (16 Gbps effective)	4800 MHz
Memory type	GDDR6	GDDR5