Product Compare

AMD Radeon R9 M290X Mac Edition vs AMD Radeon R7 260X

GPU GPU
Graphics Card
Release Date Nov 2014 Oct 2013
Generation Crystal System Volcanic Islands
Type Mobile Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 850 MHz
Boost Clock 975 MHz
Memory Clock 1365 MHz 1625 MHz
Memory
Memory Size 2GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 128bit
Bandwidth 174.7GB/s 104.0GB/s
Render Config
Compute Units 16 14
Shading Units 1024 896
TMUs 64 56
ROPs 32 16
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 256 KB
Theoretical Performance
Pixel Rate 31.20 GPixel/s 17.60 GPixel/s
Texture Rate 62.40 GTexel/s 61.60 GTexel/s
FP32 (float) 1.997 TFLOPS 1.971 TFLOPS
FP64 (double) 124.8 GFLOPS 123.2 GFLOPS
Graphics Processor
GPU Name Pitcairn Bonaire
GPU Variant Pitcairn PRO(215-0828062) Bonaire XTX(215-0839097)
Architecture GCN 1.0 GCN 2.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 2.8 billion 2.08 billion
Die Size 212 mm² 160 mm²
Board Design
TDP 80W 115W
Outputs No outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors None 1x 6-pin
Suggested PSU 300 W
Graphics Features
DirectX 12 (11_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2 1.2
Shader Model 5.1 6.3