Product Compare

AMD Radeon RX 560X vs AMD Radeon HD 6990M

GPU GPU
Graphics Card
Release Date Apr 2018 Jul 2011
Generation Polaris Vancouver
Type Desktop Mobile
Bus Interface PCIe 3.0 x8 MXM-B (3.0)
Clock Speeds
Base Clock 1175 MHz
Boost Clock 1275 MHz
Memory Clock 1750 MHz 900 MHz
Memory
Memory Size 4GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 128bit 256bit
Bandwidth 112.0GB/s 115.2GB/s
Render Config
Compute Units 16 14
Shading Units 1024 1120
TMUs 64 56
ROPs 16 32
L1 Cache 16 KB (per CU) 8 KB (per CU)
L2 Cache 1024 KB 512 KB
Theoretical Performance
Pixel Rate 20.40 GPixel/s 22.88 GPixel/s
Texture Rate 81.60 GTexel/s 40.04 GTexel/s
FP16 (half) 2.611 TFLOPS
FP32 (float) 2.611 TFLOPS 1.602 TFLOPS
FP64 (double) 163.2 GFLOPS
Graphics Processor
GPU Name Polaris 21 Blackcomb
GPU Variant Polaris 21 XT(215-0908004) Blackcomb XTX(216-0811030)
Architecture GCN 4.0 TeraScale 2
Foundry GlobalFoundries TSMC
Process Size 14 nm 40 nm
Transistors 3 billion 1.7 billion
Die Size 123 mm² 212 mm²
Board Design
TDP 75W 100W
Suggested PSU 250 W
Outputs 1x DVI1x HDMI 2.0b1x DisplayPort 1.4a No outputs
Power Connectors None None
Graphics Features
DirectX 12 (12_0) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 2.1 1.2
Vulkan 1.2 N/A
Shader Model 6.4 5.0