Home GPU Comparison NVIDIA GeForce GT 650M vs AMD Radeon R9 M395X

NVIDIA GeForce GT 650M vs AMD Radeon R9 M395X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 8GB VRAM Radeon R9 M395X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M 's Advantages
Boost Clock950MHz
Lower TDP (45W vs 75W)
AMD Radeon R9 M395X 's Advantages
Released 3 years and 2 months late
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)
1664 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 650M
0.73 TFLOPS
Radeon R9 M395X +305%
2.961 TFLOPS
VS

Graphics Card

Mar 2012
Release Date
May 2015
GeForce 600M
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

835 MHz
Base Clock
-
950 MHz
Boost Clock
-
900 MHz
Memory Clock
1250 MHz

Memory

1024MB
Memory Size
8GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
28.80GB/s
Bandwidth
160.0GB/s

Render Config

-
Compute Units
32
-
-
-
384
Shading Units
2048
32
TMUs
128
16
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

7.600 GPixel/s
Pixel Rate
23.14 GPixel/s
30.40 GTexel/s
Texture Rate
92.54 GTexel/s
-
FP16 (half)
2.961 TFLOPS
729.6 GFLOPS
FP32 (float)
2.961 TFLOPS
30.40 GFLOPS
FP64 (double)
185.1 GFLOPS

Board Design

45W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

GK107
GPU Name
Amethyst
N13P-GT-A2
GPU Variant
Amethyst XT
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
5 billion
118 mm²
Die Size
366 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.3

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