NVIDIA GeForce RTX 5070 Mobile vs AMD Radeon HD 8830M
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 5070 Mobile and 2GB VRAM Radeon HD 8830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 5070 Mobile 's Advantages
Released 12 years late
Boost Clock has increased by 128% (1425MHz vs 625MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 32.00GB/s)
3968 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 5070 Mobile
+1541%
13.13 TFLOPS
Radeon HD 8830M
0.8 TFLOPS
Graphics Card
Apr 2025
Release Date
Apr 2013
GeForce 50 Mobile
Generation
Solar System
Mobile
Type
Mobile
PCIe 5.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
907 MHz
Base Clock
575 MHz
1425 MHz
Boost Clock
625 MHz
1500 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
2GB
GDDR7
Memory Type
DDR3
128bit
Memory Bus
128bit
384.0GB/s
Bandwidth
32.00GB/s
Render Config
-
Compute Units
10
36
SM Count
-
4608
Shading Units
640
144
TMUs
40
48
ROPs
16
144
Tensor Cores
-
36
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
32 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
68.40 GPixel/s
Pixel Rate
10.00 GPixel/s
205.2 GTexel/s
Texture Rate
25.00 GTexel/s
13.13 TFLOPS
FP16 (half)
-
13.13 TFLOPS
FP32 (float)
800.0 GFLOPS
205.2 GFLOPS
FP64 (double)
50.00 GFLOPS
Board Design
50W
TDP
Unknown
300 W
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
GB206
GPU Name
Venus
GB206
GPU Variant
Venus LE
(216-0846030)
Blackwell 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
21.9 billion
Transistors
1.5 billion
181 mm²
Die Size
123 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.4
Vulkan
1.2.170
12.0
CUDA
-
6.8
Shader Model
6.5 (5.1)
