AMD Radeon HD 8670M vs NVIDIA GeForce 820M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Boost Clock975MHz

NVIDIA GeForce 820M 's Advantages

Released 2 years late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.83GB/s vs 14.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon HD 8670M

VS

GeForce 820M

Graphics Card

Mar 2013

Release Date

Mar 2015

Solar System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.83GB/s

Render Config

-

SM Count

-

5

Compute Units

-

320

Shading Units

384

20

TMUs

32

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

6.480 GPixel/s

19.50 GTexel/s

Texture Rate

25.92 GTexel/s

-

FP16 (half)

-

624.0 GFLOPS

FP32 (float)

622.1 GFLOPS

39.00 GFLOPS

FP64 (double)

25.92 GFLOPS

Graphics Processor

Sun

GPU Name

GK107

Sun S3 XT (216-0841009)

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.27 billion

56 mm²

Die Size

118 mm²

Board Design

Unknown

TDP

45W

-

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

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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