AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce RTX 4080
GPU Specs Compare
Graphics Card
Release Date
May 2015
Sep 2022
Generation
Crystal System
GeForce 40
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1365 MHz
1400 MHz
Base Clock
-
2205 MHz
Boost Clock
-
2505 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6X
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
716.8GB/s
Render Config
Compute Units
16
-
Shading Units
1024
9728
TMUs
64
304
ROPs
32
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
64 MB
SM Count
-
76
Tensor Cores
-
304
RT Cores
-
76
Theoretical Performance
Pixel Rate
30.66 GPixel/s
280.6 GPixel/s
Texture Rate
61.31 GTexel/s
761.5 GTexel/s
FP32 (float)
1.962 TFLOPS
48.74 TFLOPS
FP64 (double)
122.6 GFLOPS
761.5 GFLOPS
FP16 (half)
-
48.74 TFLOPS
Graphics Processor
GPU Name
Pitcairn
AD103
GPU Variant
Pitcairn PRO(215-0828062)
AD103-300-A1
Architecture
GCN 1.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
45.9 billion
Die Size
212 mm²
379 mm²
Board Design
TDP
80W
320W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
-
700 W
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.7
CUDA
-
8.9
📊 Benchmark
3DMark Time Spy
-
28,173
3DMark Time Spy Extreme
-
14,002