NVIDIA GeForce RTX 5070 Ti Mobile vs AMD Radeon R9 M390X
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
May 2015
Generation
GeForce 50 Mobile
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
847 MHz
-
Boost Clock
1447 MHz
-
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
12GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
256bit
Bandwidth
672.0GB/s
160.0GB/s
Render Config
SM Count
46
-
Shading Units
5888
2048
TMUs
184
128
ROPs
80
32
Tensor Cores
184
-
RT Cores
46
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
512 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
115.8 GPixel/s
23.14 GPixel/s
Texture Rate
266.2 GTexel/s
92.54 GTexel/s
FP16 (half)
17.04 TFLOPS
2.961 TFLOPS
FP32 (float)
17.04 TFLOPS
2.961 TFLOPS
FP64 (double)
266.2 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
GB205
Amethyst
GPU Variant
GB205
Amethyst XT
Architecture
Blackwell 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
31.1 billion
5 billion
Die Size
263 mm²
366 mm²
Board Design
TDP
60-115W
75W
Suggested PSU
250 W
-
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.3
📊 Benchmark
3DMark Time Spy
17,452
-
3DMark Time Spy Extreme
8,328
-
3DMark Speed Way
4,421
-