AMD Radeon RX 6600 XT vs ATI Radeon X1900 CrossFire Edition

Comparative analysis of AMD Radeon RX 6600 XT 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. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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 6600 XT

ATI Radeon X1900 CrossFire Edition

Differences

Reasons to consider the AMD Radeon RX 6600 XT

Videocard is newer: launch date 15 year(s) 6 month(s) later
3.1x more core clock speed: 1968 MHz vs 625 MHz
33140x more texture fill rate: 331.4 GTexel/s vs 10 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 90 nm
16x more maximum memory size: 8 GB vs 512 MB
Around 38% higher memory clock speed: 2000 MHz (16 Gbps effective) vs 1450 MHz
120.2x better performance in PassMark - G3D Mark: 16471 vs 137
Around 80% better performance in PassMark - G2D Mark: 911 vs 507

Specifications (specs)
Launch date	30 Jul 2021 vs 24 January 2006
Core clock speed	1968 MHz vs 625 MHz
Texture fill rate	331.4 GTexel/s vs 10 GTexel / s
Manufacturing process technology	7 nm vs 90 nm
Maximum memory size	8 GB vs 512 MB
Memory clock speed	2000 MHz (16 Gbps effective) vs 1450 MHz
Benchmarks
PassMark - G3D Mark	16471 vs 137
PassMark - G2D Mark	911 vs 507

Reasons to consider the ATI Radeon X1900 CrossFire Edition

Around 60% lower typical power consumption: 100 Watt vs 160 Watt

Thermal Design Power (TDP)	100 Watt vs 160 Watt

Compare benchmarks

GPU 1: AMD Radeon RX 6600 XT
GPU 2: ATI Radeon X1900 CrossFire Edition

PassMark - G3D Mark

GPU 1

GPU 2

16471

137

PassMark - G2D Mark

GPU 1

GPU 2

911

507

Name	AMD Radeon RX 6600 XT	ATI Radeon X1900 CrossFire Edition
PassMark - G3D Mark	16471	137
PassMark - G2D Mark	911	507
Geekbench - OpenCL	82703
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	706.665
GFXBench 4.0 - Car Chase Offscreen (Frames)	15486
GFXBench 4.0 - Manhattan (Frames)	3728
GFXBench 4.0 - T-Rex (Frames)	3367
GFXBench 4.0 - Car Chase Offscreen (Fps)	15486
GFXBench 4.0 - Manhattan (Fps)	3728
GFXBench 4.0 - T-Rex (Fps)	3367
3DMark Fire Strike - Graphics Score	1804

Compare specifications (specs)

	AMD Radeon RX 6600 XT	ATI Radeon X1900 CrossFire Edition
Essentials
Architecture	RDNA 2.0	R500
Code name	Navi 23 XT	R580
Launch date	30 Jul 2021	24 January 2006
Launch price (MSRP)	$379
Place in performance rating	191	322
Type	Desktop	Desktop
Technical info
Boost clock speed	2589 MHz
Compute units	32
Core clock speed	1968 MHz	625 MHz
Manufacturing process technology	7 nm	90 nm
Peak Double Precision (FP64) Performance	662.8 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	21.21 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	10.60 TFLOPS
Pipelines	2048
Pixel fill rate	165.7 GPixel/s
Texture fill rate	331.4 GTexel/s	10 GTexel / s
Thermal Design Power (TDP)	160 Watt	100 Watt
Transistor count	11060 million	384 million
Video outputs and ports
Display Connectors	1x HDMI, 2x DisplayPort	2x DVI, 1x S-Video
DisplayPort count	3
DisplayPort support
HDMI
Compatibility, dimensions and requirements
Form factor	Dual-slot
Height	40 mm (1.6 inches)
Interface	PCIe 4.0 x8	PCIe 1.0 x16
Length	190 mm (7.5 inches)
Recommended system power (PSU)	450 Watt
Supplementary power connectors	1x 8-pin	1x 6-pin
Width	110 mm (4.3 inches)
API support
DirectX	12.2	9.0c
OpenCL	2.1
OpenGL	4.6	2.0
Shader Model	6.5
Vulkan
Memory
Maximum RAM amount	8 GB	512 MB
Memory bandwidth	256 GB/s	46.4 GB / s
Memory bus width	128 bit	256 Bit
Memory clock speed	2000 MHz (16 Gbps effective)	1450 MHz
Memory type	GDDR6	GDDR3