NVIDIA GeForce 820M vs AMD Radeon HD 7670A

VS

NVIDIA GeForce 820M

AMD Radeon HD 7670A

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 1024MB VRAM Radeon HD 7670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Released 3 years and 2 months late

More VRAM (2GB vs 1024GB)

AMD Radeon HD 7670A 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.83GB/s)

96 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M +7%

0.622 TFLOPS

Radeon HD 7670A

0.576 TFLOPS

GeForce 820M

VS

Radeon HD 7670A

Graphics Card

Mar 2015

Release Date

Jan 2012

GeForce 800M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

901 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.83GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

4.800 GPixel/s

25.92 GTexel/s

Texture Rate

14.40 GTexel/s

-

622.1 GFLOPS

FP32 (float)

576.0 GFLOPS

25.92 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Turks

-

GPU Variant

Turks XT (215-0803000)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.716 billion

118 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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