AMD Radeon R7 A265 vs NVIDIA GeForce GT 820M

VS

AMD Radeon R7 A265

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A265 's Advantages

Boost Clock825MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265 +112%

0.633 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Radeon R7 A265

VS

GeForce GT 820M

Graphics Card

Jan 2014

Release Date

Nov 2013

All-In-One

Generation

GeForce 800M

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

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

SM Count

2

384

Shading Units

96

24

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

3.100 GPixel/s

19.80 GTexel/s

Texture Rate

12.40 GTexel/s

-

633.6 GFLOPS

FP32 (float)

297.6 GFLOPS

39.60 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

GF117

Opal XT

GPU Variant

N15V-GM

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 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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