NVIDIA GeForce GT 820M vs AMD Radeon R7 M270

VS

NVIDIA GeForce GT 820M AMD Radeon R7 M270

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 2GB VRAM Radeon R7 M270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M270 's Advantages

Boost Clock825MHz

More VRAM (2GB vs 1GB)

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

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 820M

0.298 TFLOPS

Radeon R7 M270 +112%

0.633 TFLOPS

GeForce GT 820M

VS

Radeon R7 M270

Graphics Card

Nov 2013

Release Date

Jan 2014

GeForce 800M

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

825 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.80GB/s

Render Config

2

SM Count

-

Compute Units

6

96

Shading Units

384

16

TMUs

24

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

3.100 GPixel/s

Pixel Rate

6.600 GPixel/s

12.40 GTexel/s

Texture Rate

19.80 GTexel/s

-

FP16 (half)

-

297.6 GFLOPS

FP32 (float)

633.6 GFLOPS

24.80 GFLOPS

FP64 (double)

-

Graphics Processor

GF117

GPU Name

Opal

N15V-GM

GPU Variant

Opal XT

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

0.95 billion

116 mm²

Die Size

77 mm²

Board Design

15W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

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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