AMD Radeon RX 6800M vs NVIDIA GeForce 845M

VS

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Released 5 years and 9 months late

Boost Clock has increased by 103% (2390MHz vs 1176MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 40.10GB/s)

2176 additional rendering cores

NVIDIA GeForce 845M 's Advantages

Lower TDP (33W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M +1255%

12.24 TFLOPS

GeForce 845M

0.903 TFLOPS

Radeon RX 6800M

VS

GeForce 845M

Graphics Card

May 2021

Release Date

Aug 2015

Mobility Radeon

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2116 MHz

Base Clock

1071 MHz

2390 MHz

Boost Clock

1176 MHz

2000 MHz

Memory Clock

1253 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

40.10GB/s

Render Config

-

SM Count

-

40

Compute Units

-

2560

Shading Units

384

160

TMUs

32

64

ROPs

16

-

Tensor Cores

-

40

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SMM)

3 MB

L2 Cache

1024 KB

Theoretical Performance

153.0 GPixel/s

Pixel Rate

18.82 GPixel/s

382.4 GTexel/s

Texture Rate

37.63 GTexel/s

24.47 TFLOPS

FP16 (half)

-

12.24 TFLOPS

FP32 (float)

903.2 GFLOPS

764.8 GFLOPS

FP64 (double)

28.22 GFLOPS

Graphics Processor

Navi 22

GPU Name

GM108

Navi 22 XTM

GPU Variant

-

RDNA 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

Unknown

335 mm²

Die Size

Unknown

Board Design

145W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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