AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GT 320M
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM GeForce GT 320M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390 Mac Edition 's Advantages
Released 5 years and 2 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 25.28GB/s)
1000 additional rendering cores
NVIDIA GeForce GT 320M 's Advantages
Lower TDP (23W vs 80W)
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+3601%
1.962 TFLOPS
GeForce GT 320M
0.053 TFLOPS
Graphics Card
May 2015
Release Date
Mar 2010
Crystal System
Generation
GeForce 300M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1365 MHz
Memory Clock
790 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
25.28GB/s
Render Config
16
Compute Units
-
-
SM Count
3
1024
Shading Units
24
64
TMUs
8
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
30.66 GPixel/s
Pixel Rate
4.000 GPixel/s
61.31 GTexel/s
Texture Rate
4.000 GTexel/s
-
-
-
1.962 TFLOPS
FP32 (float)
52.80 GFLOPS
122.6 GFLOPS
FP64 (double)
-
Board Design
80W
TDP
23W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Pitcairn
GPU Name
GT216
Pitcairn PRO
(215-0828062)
GPU Variant
-
GCN 1.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.486 billion
212 mm²
Die Size
100 mm²
Graphics Features
12 (11_1)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.2
5.1
Shader Model
4.1
