AMD Radeon R7 A265 vs NVIDIA GeForce GT 620M

VS

AMD Radeon R7 A265 NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A265 's Advantages

Released 1 years and 5 months late

Boost Clock825MHz

More VRAM (2GB vs 1GB)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265 +150%

0.633 TFLOPS

GeForce GT 620M

0.253 TFLOPS

Radeon R7 A265

VS

GeForce GT 620M

Graphics Card

Jan 2014

Release Date

Aug 2012

All-In-One

Generation

GeForce 600M

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

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

6

Compute Units

-

384

Shading Units

96

24

TMUs

16

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

6.600 GPixel/s

Pixel Rate

2.640 GPixel/s

19.80 GTexel/s

Texture Rate

10.56 GTexel/s

-

FP16 (half)

-

633.6 GFLOPS

FP32 (float)

253.4 GFLOPS

39.60 GFLOPS

FP64 (double)

21.12 GFLOPS

Graphics Processor

Opal

GPU Name

GF108

Opal XT

GPU Variant

N13P-GLP-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

Board Design

Unknown

TDP

15W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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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