AMD Radeon RX 560DX vs AMD Radeon HD 6990M
GPU Specs Compare
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
1090 MHz
-
Boost Clock
1175 MHz
-
Memory Clock
1500 MHz
900 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
115.2GB/s
Render Config
Compute Units
14
14
Shading Units
896
1120
TMUs
56
56
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
18.80 GPixel/s
22.88 GPixel/s
Texture Rate
65.80 GTexel/s
40.04 GTexel/s
FP16 (half)
2.106 TFLOPS
-
FP32 (float)
2.106 TFLOPS
1.602 TFLOPS
FP64 (double)
131.6 GFLOPS
-
Graphics Processor
GPU Name
Polaris 21
Blackcomb
GPU Variant
Polaris 21 XL
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
65W
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