AMD Radeon E9390 PCIe vs NVIDIA GeForce GT 820M

VS

AMD Radeon E9390 PCIe

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9390 PCIe 's Advantages

Released 5 years and 11 months late

Boost Clock1089MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1696 additional rendering cores

NVIDIA GeForce GT 820M 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe +1209%

3.903 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Radeon E9390 PCIe

VS

GeForce GT 820M

Graphics Card

Oct 2019

Release Date

Nov 2013

Embedded

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

713 MHz

Base Clock

-

1089 MHz

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

14.40GB/s

Render Config

28

Compute Units

-

SM Count

2

1792

Shading Units

96

112

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

34.85 GPixel/s

Pixel Rate

3.100 GPixel/s

122.0 GTexel/s

Texture Rate

12.40 GTexel/s

3.903 TFLOPS

FP16 (half)

-

3.903 TFLOPS

FP32 (float)

297.6 GFLOPS

243.9 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

75W

TDP

15W

-

4x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

GF117

-

GPU Variant

N15V-GM

GCN 4.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

0.585 billion

232 mm²

Die Size

116 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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