AMD Radeon HD 7730M vs AMD Radeon RX 7900M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7730M 's Advantages
Lower TDP (25W vs 180W)
AMD Radeon RX 7900M 's Advantages
Released 11 years and 6 months late
Boost Clock has increased by 210% (2090MHz vs 675MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (576.0GB/s vs 28.80GB/s)
4096 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7730M
0.691 TFLOPS
Radeon RX 7900M
+5474%
38.52 TFLOPS
3DMark Time Spy
Radeon HD 7730M
408
Radeon RX 7900M
+4365%
18218
Graphics Card
Apr 2012
Release Date
Oct 2023
London
Generation
Navi Mobile
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
575 MHz
Base Clock
1825 MHz
675 MHz
Boost Clock
2090 MHz
900 MHz
Memory Clock
2250 MHz
Memory
2GB
Memory Size
16GB
DDR3
Memory Type
GDDR6
128bit
Memory Bus
256bit
28.80GB/s
Bandwidth
576.0GB/s
Render Config
8
Compute Units
72
-
-
-
512
Shading Units
4608
32
TMUs
288
16
ROPs
192
-
-
-
-
RT Cores
72
16 KB (per CU)
L1 Cache
256 KB per Array
256 KB
L2 Cache
6 MB
-
L3 Cache
64 MB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
401.3 GPixel/s
21.60 GTexel/s
Texture Rate
601.9 GTexel/s
-
FP16 (half)
77.05 TFLOPS
691.2 GFLOPS
FP32 (float)
38.52 TFLOPS
43.20 GFLOPS
FP64 (double)
1204 GFLOPS
Board Design
25W
TDP
180W
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Processor
Chelsea
GPU Name
Navi 31
Chelsea LE
(216-0834065)
GPU Variant
Navi 31
GCN 1.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
1.5 billion
Transistors
57.7 billion
123 mm²
Die Size
529 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.2
1.2
Vulkan
1.3
-
-
-
5.1
Shader Model
6.8
