NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon HD 7750M
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 2GB VRAM Radeon HD 7750M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages
Released 9 years and 9 months late
Boost Clock1260MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)
6912 additional rendering cores
AMD Radeon HD 7750M 's Advantages
Lower TDP (28W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti Mobile
+3076%
18.71 TFLOPS
Radeon HD 7750M
0.589 TFLOPS
3DMark Time Spy
GeForce RTX 3080 Ti Mobile
+4076%
12905
Radeon HD 7750M
309
Graphics Card
Jan 2022
Release Date
Apr 2012
GeForce 30 Mobile
Generation
London
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
810 MHz
Base Clock
-
1260 MHz
Boost Clock
-
2000 MHz
Memory Clock
1000 MHz
Memory
16GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
8
58
SM Count
-
7424
Shading Units
512
232
TMUs
32
96
ROPs
16
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
121.0 GPixel/s
Pixel Rate
9.200 GPixel/s
292.3 GTexel/s
Texture Rate
18.40 GTexel/s
18.71 TFLOPS
FP16 (half)
-
18.71 TFLOPS
FP32 (float)
588.8 GFLOPS
292.3 GFLOPS
FP64 (double)
36.80 GFLOPS
Board Design
115W
TDP
28W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GA103S
GPU Name
Chelsea
GN20-E8-A1
GPU Variant
Chelsea PRO
Ampere
Architecture
GCN 1.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
Unknown
Transistors
1.5 billion
496 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
8.6
CUDA
-
6.5
Shader Model
5.1
