AMD Radeon RX 550X vs ATI Radeon X1900 CrossFire Edition

Comparative analysis of AMD Radeon RX 550X and ATI Radeon X1900 CrossFire Edition videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon RX 550X

ATI Radeon X1900 CrossFire Edition

Differences

Reasons to consider the AMD Radeon RX 550X

Videocard is newer: launch date 12 year(s) 2 month(s) later
Around 76% higher core clock speed: 1100 MHz vs 625 MHz
5148x more texture fill rate: 51.48 GTexel/s vs 10 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 90 nm
2x lower typical power consumption: 50 Watt vs 100 Watt
8x more maximum memory size: 4 GB vs 512 MB
4.8x more memory clock speed: 7000 MHz vs 1450 MHz
16.4x better performance in PassMark - G3D Mark: 2253 vs 137

Specifications (specs)
Launch date	3 April 2018 vs 24 January 2006
Core clock speed	1100 MHz vs 625 MHz
Texture fill rate	51.48 GTexel/s vs 10 GTexel / s
Manufacturing process technology	14 nm vs 90 nm
Thermal Design Power (TDP)	50 Watt vs 100 Watt
Maximum memory size	4 GB vs 512 MB
Memory clock speed	7000 MHz vs 1450 MHz
Benchmarks
PassMark - G3D Mark	2253 vs 137

Reasons to consider the ATI Radeon X1900 CrossFire Edition

Around 20% better performance in PassMark - G2D Mark: 507 vs 422

Benchmarks
PassMark - G2D Mark	507 vs 422

Compare benchmarks

GPU 1: AMD Radeon RX 550X
GPU 2: ATI Radeon X1900 CrossFire Edition

PassMark - G2D Mark

GPU 1

GPU 2

422

507

PassMark - G3D Mark

GPU 1

GPU 2

2253

137

Name	AMD Radeon RX 550X	ATI Radeon X1900 CrossFire Edition
PassMark - G2D Mark	422	507
PassMark - G3D Mark	2253	137
Geekbench - OpenCL	8679
GFXBench 4.0 - Car Chase Offscreen (Frames)	3428
GFXBench 4.0 - Car Chase Offscreen (Fps)	3428
GFXBench 4.0 - Manhattan (Frames)	3139
GFXBench 4.0 - Manhattan (Fps)	3139
GFXBench 4.0 - T-Rex (Frames)	3349
GFXBench 4.0 - T-Rex (Fps)	3349

Compare specifications (specs)

	AMD Radeon RX 550X	ATI Radeon X1900 CrossFire Edition
Essentials
Architecture	GCN 4.0	R500
Code name	Lexa	R580
Design	Radeon RX 500X Series
GCN generation	4th Gen
Launch date	3 April 2018	24 January 2006
Place in performance rating	628	293
Type	Desktop, Laptop	Desktop
Technical info
Boost clock speed	1287 MHz
Compute units	8/10
Core clock speed	1100 MHz	625 MHz
Floating-point performance	1.65 TFLOPs
Manufacturing process technology	14 nm	90 nm
Pipelines	512
Pixel fill rate	20.60 GP/s
Render output units	16
Stream Processors	512/640
Texture fill rate	51.48 GTexel/s	10 GTexel / s
Texture Units	40
Thermal Design Power (TDP)	50 Watt	100 Watt
Transistor count	2,200 million	384 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x S-Video
DisplayPort support
Dual-link DVI support
HDMI
VGA
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 1.0 x16
Length	145 mm
Supplementary power connectors	None	1x 6-pin
API support
DirectX	12	9.0c
OpenGL	4.5	2.0
Vulkan
Memory
Maximum RAM amount	4 GB	512 MB
Memory bandwidth	112 GB/s	46.4 GB / s
Memory bus width	128 bit	256 Bit
Memory clock speed	7000 MHz	1450 MHz
Memory type	GDDR5	GDDR3
Technologies
4K H264 Decode
4K H264 Encode
AMD Radeon™ Chill
AMD Radeon™ ReLive
AppAcceleration
FreeSync
H265/HEVC Decode
H265/HEVC Encode
HDMI 4K Support