Product Compare

AMD Radeon R7 265 vs AMD Radeon R9 M290X

GPU GPU
Graphics Card
Release Date Feb 2014 Jan 2014
Generation Volcanic Islands Gem System
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 900 MHz 850 MHz
Boost Clock 925 MHz 900 MHz
Memory Clock 1400 MHz 1200 MHz
Memory
Memory Size 2GB 4GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 179.2GB/s 153.6GB/s
Render Config
Compute Units 16 20
Shading Units 1024 1280
TMUs 64 80
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 512 KB
Theoretical Performance
Pixel Rate 29.60 GPixel/s 28.80 GPixel/s
Texture Rate 59.20 GTexel/s 72.00 GTexel/s
FP32 (float) 1.894 TFLOPS 2.304 TFLOPS
FP64 (double) 118.4 GFLOPS 144.0 GFLOPS
Graphics Processor
GPU Name Pitcairn Neptune
GPU Variant Pitcairn PRO(215-0828062) Neptune XT(216-0847000)
Architecture GCN 1.0 GCN 1.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 2.8 billion 2.8 billion
Die Size 212 mm² 212 mm²
Board Design
TDP 150W 100W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 Portable Device Dependent
Power Connectors 1x 6-pin None
Graphics Features
DirectX 12 (11_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 1.2 2.1 (1.2)
Vulkan 1.2 1.2.170
Shader Model 5.1 6.5 (5.1)