AMD Radeon R9 M390 Mac Edition vs NVIDIA RTX A4000 Max-Q
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 8GB VRAM RTX A4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4000 Max-Q 's Advantages
Released 5 years and 11 months late
Boost Clock1395MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (352.0GB/s vs 174.7GB/s)
4096 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
1.962 TFLOPS
RTX A4000 Max Q
+627%
14.28 TFLOPS
Graphics Card
May 2015
Release Date
Apr 2021
Crystal System
Generation
Ampere-MW
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
780 MHz
-
Boost Clock
1395 MHz
1365 MHz
Memory Clock
1375 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
352.0GB/s
Render Config
16
Compute Units
-
-
SM Count
40
1024
Shading Units
5120
64
TMUs
160
32
ROPs
80
-
Tensor Cores
160
-
RT Cores
40
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
111.6 GPixel/s
61.31 GTexel/s
Texture Rate
223.2 GTexel/s
-
FP16 (half)
14.28 TFLOPS
1.962 TFLOPS
FP32 (float)
14.28 TFLOPS
122.6 GFLOPS
FP64 (double)
223.2 GFLOPS
Board Design
80W
TDP
80W
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
Pitcairn
GPU Name
GA104
Pitcairn PRO
(215-0828062)
GPU Variant
-
GCN 1.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
2.8 billion
Transistors
17.4 billion
212 mm²
Die Size
392 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.6
5.1
Shader Model
6.8
