Home GPU Comparison AMD Radeon HD 7730M vs NVIDIA GeForce GTX 660M

AMD Radeon HD 7730M vs NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7730M 's Advantages
More VRAM (2GB vs 1024GB)
128 additional rendering cores
Lower TDP (25W vs 50W)
NVIDIA GeForce GTX 660M 's Advantages
Boost Clock has increased by 41% (950MHz vs 675MHz)
Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)
Radeon HD 7730M
0.691 TFLOPS
GeForce GTX 660M +5%
0.73 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Mar 2012
London
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

575 MHz
Base Clock
835 MHz
675 MHz
Boost Clock
950 MHz
900 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
64.00GB/s

Render Config

8
Compute Units
-
-
-
-
512
Shading Units
384
32
TMUs
32
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

10.80 GPixel/s
Pixel Rate
7.600 GPixel/s
21.60 GTexel/s
Texture Rate
30.40 GTexel/s
-
-
-
691.2 GFLOPS
FP32 (float)
729.6 GFLOPS
43.20 GFLOPS
FP64 (double)
30.40 GFLOPS

Board Design

25W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Chelsea
GPU Name
GK107
Chelsea LE (216-0834065)
GPU Variant
N13E-GE-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
1.27 billion
123 mm²
Die Size
118 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.1
Shader Model
5.1

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