GeForce RTX 4090 Mobile vs Radeon HD 7730M
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 Mobile Advantages
Released 10 years and 9 months late
Boost Clock has increased by 151% (1695MHz vs 675MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (576.0GB/s vs 28.80GB/s)
9216 additional rendering cores
Radeon HD 7730M Advantages
Lower TDP (25W vs 120W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Mobile
+4672%
32980
Radeon HD 7730M
691
3DMark Time Spy
GeForce RTX 4090 Mobile
+5169%
21498
Radeon HD 7730M
408
Graphics Card
Jan 2023
Release Date
Apr 2012
GeForce 40 Mobile
Generation
London
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1335 MHz
Base Clock
575 MHz
1695 MHz
Boost Clock
675 MHz
2250 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
576.0GB/s
Bandwidth
28.80GB/s
Render Config
-
Compute Units
8
76
SM Count
-
9728
Shading Units
512
304
TMUs
32
112
ROPs
16
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
256 KB
Theoretical Performance
189.8 GPixel/s
Pixel Rate
10.80 GPixel/s
515.3 GTexel/s
Texture Rate
21.60 GTexel/s
32.98 TFLOPS
FP16 (half)
-
32.98 TFLOPS
FP32 (float)
691.2 GFLOPS
515.3 GFLOPS
FP64 (double)
43.20 GFLOPS
Board Design
120W
TDP
25W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
AD103
GPU Name
Chelsea
GN21-X11
GPU Variant
Chelsea LE
(216-0834065)
(216-0834065)
Ada Lovelace
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
45.9 billion
Transistors
1.5 billion
379 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