AMD Radeon HD 8870M vs NVIDIA GeForce 820M

VS

AMD Radeon HD 8870M

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M 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 8870M 's Advantages

Boost Clock775MHz

Larger VRAM bandwidth (72.00GB/s vs 28.83GB/s)

256 additional rendering cores

NVIDIA GeForce 820M 's Advantages

Released 1 years and 11 months late

Score

Benchmark

FP32 (float)

Radeon HD 8870M +59%

0.992 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon HD 8870M

VS

GeForce 820M

Graphics Card

Apr 2013

Release Date

Mar 2015

Solar System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

725 MHz

Base Clock

-

775 MHz

Boost Clock

-

1125 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

28.83GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

6.480 GPixel/s

31.00 GTexel/s

Texture Rate

25.92 GTexel/s

-

992.0 GFLOPS

FP32 (float)

622.1 GFLOPS

62.00 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

GK107

Venus XT (216-0846000)

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.27 billion

123 mm²

Die Size

118 mm²

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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