AMD Radeon R9 280X vs ATI Radeon HD 2900 XT

Comparative analysis of AMD Radeon R9 280X and ATI Radeon HD 2900 XT 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 - G3D Mark, PassMark - G2D Mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/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), 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 R9 280X

ATI Radeon HD 2900 XT

Differences

Reasons to consider the AMD Radeon R9 280X

Videocard is newer: launch date 6 year(s) 4 month(s) later
10.8x more texture fill rate: 128.0 GTexel / s vs 11.89 GTexel / s
6.4x more pipelines: 2048 vs 320
8.6x better floating-point performance: 4,096 gflops vs 475.5 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 80 nm
6x more maximum memory size: 3 GB vs 512 MB
9.3x better performance in PassMark - G3D Mark: 6152 vs 660
Around 70% better performance in PassMark - G2D Mark: 675 vs 397

Specifications (specs)
Launch date	8 October 2013 vs 14 May 2007
Texture fill rate	128.0 GTexel / s vs 11.89 GTexel / s
Pipelines	2048 vs 320
Floating-point performance	4,096 gflops vs 475.5 gflops
Manufacturing process technology	28 nm vs 80 nm
Maximum memory size	3 GB vs 512 MB
Benchmarks
PassMark - G3D Mark	6152 vs 660
PassMark - G2D Mark	675 vs 397

Reasons to consider the ATI Radeon HD 2900 XT

Around 16% lower typical power consumption: 215 Watt vs 250 Watt

Thermal Design Power (TDP)	215 Watt vs 250 Watt

Compare benchmarks

GPU 1: AMD Radeon R9 280X
GPU 2: ATI Radeon HD 2900 XT

PassMark - G3D Mark

GPU 1

GPU 2

6152

660

PassMark - G2D Mark

GPU 1

GPU 2

675

397

Name	AMD Radeon R9 280X	ATI Radeon HD 2900 XT
PassMark - G3D Mark	6152	660
PassMark - G2D Mark	675	397
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	89.187
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1434.496
CompuBench 1.5 Desktop - T-Rex (Frames/s)	7.656
CompuBench 1.5 Desktop - Video Composition (Frames/s)	87.459
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	493.57
GFXBench 4.0 - Car Chase Offscreen (Frames)	9603
GFXBench 4.0 - Manhattan (Frames)	3700
GFXBench 4.0 - T-Rex (Frames)	3357
GFXBench 4.0 - Car Chase Offscreen (Fps)	9603
GFXBench 4.0 - Manhattan (Fps)	3700
GFXBench 4.0 - T-Rex (Fps)	3357
3DMark Fire Strike - Graphics Score	2351

Compare specifications (specs)

	AMD Radeon R9 280X	ATI Radeon HD 2900 XT
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Tahiti	R600
Design	AMD Radeon R9 200 Series
Launch date	8 October 2013	14 May 2007
Launch price (MSRP)	$299	$399
Place in performance rating	383	385
Type	Desktop	Desktop
Technical info
Boost clock speed	1000 MHz
Floating-point performance	4,096 gflops	475.5 gflops
Manufacturing process technology	28 nm	80 nm
Pipelines	2048	320
Stream Processors	2048
Texture fill rate	128.0 GTexel / s	11.89 GTexel / s
Thermal Design Power (TDP)	250 Watt	215 Watt
Transistor count	4,313 million	720 million
Core clock speed		743 MHz
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x S-Video
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
VGA
Compatibility, dimensions and requirements
Bus support	PCIe 3.0
Interface	PCIe 3.0 x16	PCIe 1.0 x16
Length	275 mm	241 mm
Supplementary power connectors	1 x 6-pin + 1 x 8-pin	1x 6-pin + 1x 8-pin
API support
DirectX	12	10.0
OpenGL	4.5	3.3
Vulkan
Memory
Maximum RAM amount	3 GB	512 MB
Memory bandwidth	288 GB/s	106.0 GB / s
Memory bus width	384 Bit	512 Bit
Memory type	GDDR5	GDDR3
Shared memory	0
Memory clock speed		1656 MHz
Technologies
AMD Eyefinity
AppAcceleration
CrossFire
DDMA audio
FreeSync
HD3D
LiquidVR
TressFX
TrueAudio
Unified Video Decoder (UVD)