GeForce RTX 4070 Mobile vs Radeon HD 7750M
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 2GB VRAM Radeon HD 7750M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4070 Mobile 's Advantages
Released 10 years and 9 months late
Boost Clock1695MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)
4096 additional rendering cores
Radeon HD 7750M 's Advantages
Lower TDP (28W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 Mobile
+2551%
15620
Radeon HD 7750M
589
3DMark Time Spy
GeForce RTX 4070 Mobile
+3945%
12501
Radeon HD 7750M
309
Graphics Card
Jan 2023
Release Date
Apr 2012
GeForce 40 Mobile
Generation
London
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1395 MHz
Base Clock
-
1695 MHz
Boost Clock
-
2000 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
128bit
256.0GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
8
36
SM Count
-
4608
Shading Units
512
144
TMUs
32
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
81.36 GPixel/s
Pixel Rate
9.200 GPixel/s
244.1 GTexel/s
Texture Rate
18.40 GTexel/s
15.62 TFLOPS
FP16 (half)
-
15.62 TFLOPS
FP32 (float)
588.8 GFLOPS
244.1 GFLOPS
FP64 (double)
36.80 GFLOPS
Board Design
115W
TDP
28W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
AD106
GPU Name
Chelsea
GN21-X6
GPU Variant
Chelsea PRO
Ada Lovelace
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
22.9 billion
Transistors
1.5 billion
188 mm²
Die Size
123 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
8.9
CUDA
-
6.8
Shader Model
5.1
