AMD Radeon E8870 vs NVIDIA GeForce 820M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 6 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 28.83GB/s)

384 additional rendering cores

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +146%

1.536 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon E8870

VS

GeForce 820M

Graphics Card

Sep 2015

Release Date

Mar 2015

Embedded

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

901 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

28.83GB/s

Render Config

-

SM Count

-

12

Compute Units

-

768

Shading Units

384

48

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

6.480 GPixel/s

48.00 GTexel/s

Texture Rate

25.92 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

622.1 GFLOPS

96.00 GFLOPS

FP64 (double)

25.92 GFLOPS

Graphics Processor

Saturn

GPU Name

GK107

Saturn PRO

GPU Variant

-

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.27 billion

160 mm²

Die Size

118 mm²

Board Design

75W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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