AMD Radeon R9 390 X2 vs AMD Radeon R9 270 1024SP

Comparative analysis of AMD Radeon R9 390 X2 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: CompuBench 1.5 Desktop - T-Rex (Frames/s), 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), Geekbench - OpenCL.

AMD Radeon R9 390 X2

AMD Radeon R9 270 1024SP

Differences

Reasons to consider the AMD Radeon R9 390 X2

Videocard is newer: launch date 5 month(s) later
Around 11% higher core clock speed: 1000 MHz vs 900 MHz
36.5x more texture fill rate: 2x 160.0 GTexel / s billion / sec vs 59.2 GTexel / s
5x more pipelines: 2x 2560 vs 1024
5.4x better floating-point performance: 2x 5,120 gflops vs 1,894 gflops
8x more maximum memory size: 2x 8 GB vs 2 GB
Around 13% higher memory clock speed: 5400 MHz vs 4800 MHz

Launch date	3 September 2015 vs 13 March 2015
Core clock speed	1000 MHz vs 900 MHz
Texture fill rate	2x 160.0 GTexel / s billion / sec vs 59.2 GTexel / s
Pipelines	2x 2560 vs 1024
Floating-point performance	2x 5,120 gflops vs 1,894 gflops
Maximum memory size	2x 8 GB vs 2 GB
Memory clock speed	5400 MHz vs 4800 MHz

Reasons to consider the AMD Radeon R9 270 1024SP

3.9x lower typical power consumption: 150 Watt vs 580 Watt

Thermal Design Power (TDP)	150 Watt vs 580 Watt

Compare benchmarks

GPU 1: AMD Radeon R9 390 X2
GPU 2: AMD Radeon R9 270 1024SP

Name	AMD Radeon R9 390 X2	AMD Radeon R9 270 1024SP
CompuBench 1.5 Desktop - T-Rex (Frames/s)	21.128
GFXBench 4.0 - Car Chase Offscreen (Frames)		6316
GFXBench 4.0 - Car Chase Offscreen (Fps)		6316
GFXBench 4.0 - Manhattan (Frames)		8390
GFXBench 4.0 - Manhattan (Fps)		8390
GFXBench 4.0 - T-Rex (Frames)		27566
GFXBench 4.0 - T-Rex (Fps)		27566
Geekbench - OpenCL		70535

Compare specifications (specs)

	AMD Radeon R9 390 X2	AMD Radeon R9 270 1024SP
Essentials
Architecture	GCN 2.0	GCN 1.0
Code name	Grenada	Pitcairn
Launch date	3 September 2015	13 March 2015
Launch price (MSRP)	$1,399
Place in performance rating	246	165
Type	Desktop	Desktop
Technical info
Core clock speed	1000 MHz	900 MHz
Floating-point performance	2x 5,120 gflops	1,894 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	2x 2560	1024
Texture fill rate	2x 160.0 GTexel / s billion / sec	59.2 GTexel / s
Thermal Design Power (TDP)	580 Watt	150 Watt
Transistor count	6,200 million	2,800 million
Boost clock speed		925 MHz
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x HDMI, 1x DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	4x 8-pin	1x 6-pin
API support
DirectX	12.0 (12_0)	12.0 (11_1)
OpenGL	4.5	4.5
Memory
Maximum RAM amount	2x 8 GB	2 GB
Memory bandwidth	2x 345.6 GB / s	153.6 GB / s
Memory bus width	2x 512 Bit	256 Bit
Memory clock speed	5400 MHz	4800 MHz
Memory type	GDDR5	GDDR5