NVIDIA GeForce GT 320M vs AMD Radeon HD 6630M Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 320M and 256MB VRAM Radeon HD 6630M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 320M 's Advantages
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (25.28GB/s vs 19.20GB/s)
Lower TDP (23W vs 26W)
AMD Radeon HD 6630M Mac Edition 's Advantages
Released 10 months late
456 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 320M
0.053 TFLOPS
Radeon HD 6630M Mac Edition
+805%
0.48 TFLOPS
Graphics Card
Mar 2010
Release Date
Jan 2011
GeForce 300M
Generation
Vancouver
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
790 MHz
Memory Clock
600 MHz
Memory
1024MB
Memory Size
256MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
25.28GB/s
Bandwidth
19.20GB/s
Render Config
-
Compute Units
6
3
SM Count
-
24
Shading Units
480
8
TMUs
24
8
ROPs
8
-
-
-
-
-
-
-
-
-
64 KB
L2 Cache
-
-
-
-
Theoretical Performance
4.000 GPixel/s
Pixel Rate
4.000 GPixel/s
4.000 GTexel/s
Texture Rate
12.00 GTexel/s
-
-
-
52.80 GFLOPS
FP32 (float)
480.0 GFLOPS
-
-
-
Board Design
23W
TDP
26W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GT216
GPU Name
Whistler
-
GPU Variant
Whistler LP
Tesla 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.486 billion
Transistors
0.716 billion
100 mm²
Die Size
104 mm²
Graphics Features
11.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
1.2
CUDA
-
4.1
Shader Model
5.0
