AMD Radeon R9 M295X Mac Edition vs NVIDIA GeForce RTX 4080 Max-Q
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4080 Max-Q 's Advantages
Released 8 years and 2 months late
Boost Clock1350MHz
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (336.0GB/s vs 174.3GB/s)
5376 additional rendering cores
Lower TDP (60W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M295X Mac Edition
3.482 TFLOPS
GeForce RTX 4080 Max Q
+475%
20.04 TFLOPS
Graphics Card
Nov 2014
Release Date
Jan 2023
Crystal System
Generation
GeForce 40 Mobile
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
795 MHz
-
Boost Clock
1350 MHz
1362 MHz
Memory Clock
1750 MHz
Memory
4GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
192bit
174.3GB/s
Bandwidth
336.0GB/s
Render Config
32
Compute Units
-
-
SM Count
58
2048
Shading Units
7424
128
TMUs
232
32
ROPs
80
-
Tensor Cores
232
-
RT Cores
58
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
48 MB
-
-
-
Theoretical Performance
27.20 GPixel/s
Pixel Rate
108.0 GPixel/s
108.8 GTexel/s
Texture Rate
313.2 GTexel/s
3.482 TFLOPS
FP16 (half)
20.04 TFLOPS
3.482 TFLOPS
FP32 (float)
20.04 TFLOPS
217.6 GFLOPS
FP64 (double)
313.2 GFLOPS
Board Design
250W
TDP
60W
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
AD104
Amethyst XT
GPU Variant
GN21-X9
GCN 3.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
4 nm
5 billion
Transistors
35.8 billion
366 mm²
Die Size
295 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.9
6.3
Shader Model
6.7
