AMD Radeon Instinct MI8 vs NVIDIA GeForce RTX 5070 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Dec 2016
Apr 2025
Generation
Radeon Instinct
GeForce 50 Mobile
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
500 MHz
1500 MHz
Base Clock
—
907 MHz
Boost Clock
—
1425 MHz
Memory
Memory Size
4GB
8GB
Memory Type
HBM
GDDR7
Memory Bus
4096bit
128bit
Bandwidth
512.0GB/s
384.0GB/s
Render Config
Compute Units
64
—
Shading Units
4096
4608
TMUs
256
144
ROPs
64
48
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
2 MB
32 MB
SM Count
—
36
Tensor Cores
—
144
RT Cores
—
36
Theoretical Performance
Pixel Rate
64.00 GPixel/s
68.40 GPixel/s
Texture Rate
256.0 GTexel/s
205.2 GTexel/s
FP16 (half)
8.192 TFLOPS
13.13 TFLOPS
FP32 (float)
8.192 TFLOPS
13.13 TFLOPS
FP64 (double)
512.0 GFLOPS
205.2 GFLOPS
Graphics Processor
GPU Name
Fiji
GB206
GPU Variant
Fiji XT CA(215-0862120)
GB206
Architecture
GCN 3.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
8.9 billion
21.9 billion
Die Size
596 mm²
181 mm²
Board Design
TDP
175W
50W
Suggested PSU
450 W
300 W
Outputs
No outputs
Portable Device Dependent
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2.170
1.4
Shader Model
6.5
6.8
CUDA
—
12.0
Benchmark
3DMark Time Spy
—
13,629
▲ Specs Compare
Data sourced from official specifications and benchmark tests.