AMD Radeon Pro Duo Polaris vs AMD Radeon 680M
GPU Specs Compare
Graphics Card
Release Date
Apr 2017
Jan 2022
Generation
Radeon Pro GCN
Navi II IGP
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1750 MHz
System Shared
Base Clock
-
2000 MHz
Boost Clock
-
2200 MHz
Memory
Memory Size
16GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
256bit
System Shared
Bandwidth
224.0GB/s
System Dependent
Render Config
Compute Units
36
12
Shading Units
2304
768
TMUs
144
48
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
2 MB
RT Cores
-
12
Theoretical Performance
Pixel Rate
39.78 GPixel/s
70.40 GPixel/s
Texture Rate
179.0 GTexel/s
105.6 GTexel/s
FP16 (half)
5.728 TFLOPS
6.758 TFLOPS
FP32 (float)
5.728 TFLOPS
3.379 TFLOPS
FP64 (double)
358.0 GFLOPS
211.2 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Rembrandt
GPU Variant
Ellesmere Gemini GL
-
Architecture
GCN 4.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
6 nm
Transistors
5.7 billion
13.1 billion
Die Size
232 mm²
208 mm²
Board Design
TDP
250W
50W
Suggested PSU
600 W
-
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.3
Shader Model
6.7
6.7