AMD Radeon R7 A265 vs NVIDIA GeForce GT 420M

VS

AMD Radeon R7 A265

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A265 's Advantages

Released 3 years and 4 months late

Boost Clock825MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265 +229%

0.633 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon R7 A265

VS

GeForce GT 420M

Graphics Card

Jan 2014

Release Date

Sep 2010

All-In-One

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

725 MHz

Base Clock

-

825 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

-

SM Count

2

384

Shading Units

96

24

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

2.000 GPixel/s

19.80 GTexel/s

Texture Rate

8.000 GTexel/s

-

633.6 GFLOPS

FP32 (float)

192.0 GFLOPS

39.60 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

Unknown

TDP

23W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

GF108

Opal XT

GPU Variant

N11P-GE-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.585 billion

77 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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