NVIDIA GeForce GT 445M vs AMD Radeon R7 A265
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 2GB VRAM Radeon R7 A265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 445M 's Advantages
Larger VRAM bandwidth (40.00GB/s vs 28.80GB/s)
AMD Radeon R7 A265 's Advantages
Released 3 years and 4 months late
Boost Clock825MHz
More VRAM (2GB vs 1024GB)
240 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 445M
0.328 TFLOPS
Radeon R7 A265
+92%
0.633 TFLOPS
Graphics Card
Sep 2010
Release Date
Jan 2014
GeForce 400M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
725 MHz
-
Boost Clock
825 MHz
625 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
40.00GB/s
Bandwidth
28.80GB/s
Render Config
-
Compute Units
6
3
SM Count
-
144
Shading Units
384
24
TMUs
24
16
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
3.420 GPixel/s
Pixel Rate
6.600 GPixel/s
13.68 GTexel/s
Texture Rate
19.80 GTexel/s
-
-
-
328.3 GFLOPS
FP32 (float)
633.6 GFLOPS
27.36 GFLOPS
FP64 (double)
39.60 GFLOPS
Board Design
35W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
GF106
GPU Name
Opal
N11E-GE-A1
GPU Variant
Opal XT
Fermi
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.17 billion
Transistors
0.95 billion
238 mm²
Die Size
77 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.1
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
2.1
CUDA
-
5.1
Shader Model
6.5 (5.1)
