Home GPU Comparison NVIDIA GeForce GT 420M vs AMD Radeon R7 M260X

NVIDIA GeForce GT 420M vs AMD Radeon R7 M260X

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM Radeon R7 M260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M260X 's Advantages
Released 5 years and 3 months late
Boost Clock715MHz
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)
288 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 420M
0.192 TFLOPS
Radeon R7 M260X +185%
0.549 TFLOPS
VS

Graphics Card

Sep 2010
Release Date
Dec 2015
GeForce 400M
Generation
Gem System
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
620 MHz
-
Boost Clock
715 MHz
800 MHz
Memory Clock
1000 MHz

Memory

512MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
25.60GB/s
Bandwidth
64.00GB/s

Render Config

-
Compute Units
6
2
SM Count
-
96
Shading Units
384
16
TMUs
24
4
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

2.000 GPixel/s
Pixel Rate
5.720 GPixel/s
8.000 GTexel/s
Texture Rate
17.16 GTexel/s
-
-
-
192.0 GFLOPS
FP32 (float)
549.1 GFLOPS
16.00 GFLOPS
FP64 (double)
-

Board Design

23W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None

Graphics Processor

GF108
GPU Name
Opal
N11P-GE-A1
GPU Variant
Opal PRO
Fermi
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.585 billion
Transistors
0.95 billion
116 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)

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