ATI Mobility Radeon HD 3470 vs NVIDIA GeForce GT 820M

VS

ATI Mobility Radeon HD 3470

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 820M 's Advantages

Released 5 years and 10 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (14.40GB/s vs 6.400GB/s)

56 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3470

0.054 TFLOPS

GeForce GT 820M +451%

0.298 TFLOPS

Mobility Radeon HD 3470

VS

GeForce GT 820M

Graphics Card

Jan 2008

Release Date

Nov 2013

M8x

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

-

SM Count

2

40

Shading Units

96

4

TMUs

16

4

ROPs

8

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

3.100 GPixel/s

2.720 GTexel/s

Texture Rate

12.40 GTexel/s

-

54.40 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

GF117

M82-ME XT (216-0707009)

GPU Variant

N15V-GM

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

0.585 billion

67 mm²

Die Size

116 mm²

Graphics Features

10.1

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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