AMD Radeon RX 6800M vs NVIDIA GeForce 820A

VS

AMD Radeon RX 6800M

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Released 7 years and 2 months late

Boost Clock2390MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 14.40GB/s)

2464 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Lower TDP (15W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M +4007%

12.24 TFLOPS

GeForce 820A

0.298 TFLOPS

Radeon RX 6800M

VS

GeForce 820A

Graphics Card

May 2021

Release Date

Mar 2014

Mobility Radeon

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2116 MHz

Base Clock

-

2390 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

14.40GB/s

Render Config

40

Compute Units

-

SM Count

2

2560

Shading Units

96

160

TMUs

16

64

ROPs

8

-

40

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

3 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

3.100 GPixel/s

382.4 GTexel/s

Texture Rate

12.40 GTexel/s

24.47 TFLOPS

FP16 (half)

-

12.24 TFLOPS

FP32 (float)

297.6 GFLOPS

764.8 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

145W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

GF117

Navi 22 XTM

GPU Variant

N15V-GM

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

0.585 billion

335 mm²

Die Size

116 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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