AMD Radeon 880M vs AMD Radeon R9 390X
GPU Specs Compare
Graphics Card
Release Date
Jul 2024
Jun 2015
Generation
Navi III IGP
Pirate Islands
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
400 MHz
-
Boost Clock
2900 MHz
-
Memory Clock
System Shared
1500 MHz
Memory
Memory Size
System Shared
8GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
512bit
Bandwidth
System Dependent
384.0GB/s
Render Config
Compute Units
12
44
Shading Units
768
2816
TMUs
48
176
ROPs
16
64
RT Cores
12
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
1024 KB
Theoretical Performance
Pixel Rate
46.40 GPixel/s
67.20 GPixel/s
Texture Rate
139.2 GTexel/s
184.8 GTexel/s
FP16 (half)
8.909 TFLOPS
-
FP32 (float)
4.454 TFLOPS
5.914 TFLOPS
FP64 (double)
278.4 GFLOPS
739.2 GFLOPS
Graphics Processor
GPU Name
Strix Point
Grenada
Architecture
RDNA 3.5
GCN 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
34 billion
6.2 billion
Die Size
233 mm²
438 mm²
GPU Variant
-
Grenada XT(215-0880004)
Board Design
TDP
15W
275W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.8
6.3