Radeon HD 7730M vs GeForce GT 820M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7730M 's Advantages
Boost Clock675MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
416 additional rendering cores
GeForce GT 820M 's Advantages
Released 1 years and 7 months late
Lower TDP (15W vs 25W)
Score
Benchmark
FP32 (float)
Radeon HD 7730M
+131%
691
GeForce GT 820M
298
Graphics Card
Apr 2012
Release Date
Nov 2013
London
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
575 MHz
Base Clock
-
675 MHz
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
14.40GB/s
Render Config
8
Compute Units
-
-
SM Count
2
512
Shading Units
96
32
TMUs
16
16
ROPs
8
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
128 KB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
3.100 GPixel/s
21.60 GTexel/s
Texture Rate
12.40 GTexel/s
691.2 GFLOPS
FP32 (float)
297.6 GFLOPS
43.20 GFLOPS
FP64 (double)
24.80 GFLOPS
Board Design
25W
TDP
15W
No outputs
Outputs
No outputs
Graphics Processor
Chelsea
GPU Name
GF117
Chelsea LE
(216-0834065)
GPU Variant
N15V-GM
GCN 1.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
0.585 billion
123 mm²
Die Size
116 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1