Product Compare

AMD Radeon R7 265X OEM vs AMD Radeon RX 580 OEM

AMDGPU

GPU AMD Radeon R7 265X OEM 900 MHz – 925 MHz · 150W Change

AMDGPU

GPU AMD Radeon RX 580 OEM 1120 MHz – 1266 MHz · 150W Change

Specifications

Specs Compare

	AMD Radeon R7 265X OEM	AMD Radeon RX 580 OEM
Graphics Card
Release Date	Aug 2014	Jun 2016
Generation	Volcanic Islands	Polaris
Type	Desktop	Desktop
Bus Interface	PCIe 3.0 x16	PCIe 3.0 x16
Clock Speeds
Base Clock	900 MHz	1120 MHz
Boost Clock	925 MHz	1266 MHz
Memory Clock	1400 MHz	2000 MHz
Memory
Memory Size	2GB	8GB
Memory Type	GDDR5	GDDR5
Memory Bus	256bit	256bit
Bandwidth	179.2GB/s	256.0GB/s
Render Config
Compute Units	20	36
Shading Units	1280	2304
TMUs	80	144
ROPs	32	32
L1 Cache	16 KB (per CU)	16 KB (per CU)
L2 Cache	512 KB	2 MB
Theoretical Performance
Pixel Rate	29.60 GPixel/s	40.51 GPixel/s
Texture Rate	74.00 GTexel/s	182.3 GTexel/s
FP32 (float)	2.368 TFLOPS	5.834 TFLOPS
FP64 (double)	148.0 GFLOPS	364.6 GFLOPS
FP16 (half)		5.834 TFLOPS
Graphics Processor
GPU Name	Curacao	Ellesmere
GPU Variant	Curacao PRO(215-0848000)	Polaris 10 XT(215-0876184)
Architecture	GCN 1.0	GCN 4.0
Foundry	TSMC	GlobalFoundries
Process Size	28 nm	14 nm
Transistors	2.8 billion	5.7 billion
Die Size	212 mm²	232 mm²
Board Design
TDP	150W	150W
Suggested PSU	450 W	450 W
Outputs	2x DVI1x HDMI 1.4a1x DisplayPort 1.2	1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors	1x 6-pin	1x 6-pin
Graphics Features
DirectX	12 (11_1)	12 (12_0)
OpenGL	4.6	4.6
OpenCL	1.2	2.1
Vulkan	1.2	1.2
Shader Model	5.1	6.4