NVIDIA GeForce RTX 3070 Mobile vs AMD Radeon HD 7490M
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3070 Mobile and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3070 Mobile 's Advantages
Released 9 years late
Boost Clock1560MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (448.0GB/s vs 30.40GB/s)
4960 additional rendering cores
AMD Radeon HD 7490M 's Advantages
Lower TDP (9W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 3070 Mobile
+6138%
15.97 TFLOPS
Radeon HD 7490M
0.256 TFLOPS
Graphics Card
Jan 2021
Release Date
Jan 2012
GeForce 30 Mobile
Generation
London
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1110 MHz
Base Clock
-
1560 MHz
Boost Clock
-
1750 MHz
Memory Clock
950 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
64bit
448.0GB/s
Bandwidth
30.40GB/s
Render Config
-
Compute Units
2
40
SM Count
-
5120
Shading Units
160
160
TMUs
8
80
ROPs
4
160
Tensor Cores
-
40
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
128 KB
-
-
-
Theoretical Performance
124.8 GPixel/s
Pixel Rate
3.200 GPixel/s
249.6 GTexel/s
Texture Rate
6.400 GTexel/s
15.97 TFLOPS
FP16 (half)
-
15.97 TFLOPS
FP32 (float)
256.0 GFLOPS
249.6 GFLOPS
FP64 (double)
-
Board Design
115W
TDP
9W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GA104
GPU Name
Seymour
GA104-770-A1
GPU Variant
Seymour XTX
(216-0810005)
Ampere
Architecture
TeraScale 2
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
17.4 billion
Transistors
0.37 billion
392 mm²
Die Size
67 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
5.0
