Home GPU Comparison NVIDIA GeForce 945A vs AMD Radeon R7 A265

NVIDIA GeForce 945A vs AMD Radeon R7 A265

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A 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 945A 's Advantages
Released 1 years and 2 months late
Boost Clock has increased by 44% (1189MHz vs 825MHz)
Larger VRAM bandwidth (40.10GB/s vs 28.80GB/s)
AMD Radeon R7 A265 's Advantages
More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)
GeForce 945A +44%
0.913 TFLOPS
Radeon R7 A265
0.633 TFLOPS
VS

Graphics Card

Mar 2015
Release Date
Jan 2014
GeForce 900A
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

1006 MHz
Base Clock
725 MHz
1189 MHz
Boost Clock
825 MHz
1253 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
128bit
40.10GB/s
Bandwidth
28.80GB/s

Render Config

-
Compute Units
6
-
-
-
384
Shading Units
384
24
TMUs
24
8
ROPs
8
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

9.512 GPixel/s
Pixel Rate
6.600 GPixel/s
28.54 GTexel/s
Texture Rate
19.80 GTexel/s
-
-
-
913.2 GFLOPS
FP32 (float)
633.6 GFLOPS
28.54 GFLOPS
FP64 (double)
39.60 GFLOPS

Board Design

33W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

GM108
GPU Name
Opal
-
GPU Variant
Opal XT
Maxwell
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
0.95 billion
Unknown
Die Size
77 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.3
Vulkan
1.2.170
5.0
CUDA
-
5.1
Shader Model
6.5 (5.1)

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