AMD Radeon RX 6800M vs NVIDIA GeForce GTX 870M

VS

AMD Radeon RX 6800M

NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 3GB VRAM GeForce GTX 870M 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 Clock has increased by 147% (2390MHz vs 967MHz)

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (384.0GB/s vs 120.0GB/s)

1216 additional rendering cores

NVIDIA GeForce GTX 870M 's Advantages

Lower TDP (100W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M +370%

12.24 TFLOPS

GeForce GTX 870M

2.599 TFLOPS

Radeon RX 6800M

VS

GeForce GTX 870M

Graphics Card

May 2021

Release Date

Mar 2014

Mobility Radeon

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

2116 MHz

Base Clock

941 MHz

2390 MHz

Boost Clock

967 MHz

2000 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

192bit

384.0GB/s

Bandwidth

120.0GB/s

Render Config

40

Compute Units

-

2560

Shading Units

1344

160

TMUs

112

64

ROPs

24

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

384 KB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

27.08 GPixel/s

382.4 GTexel/s

Texture Rate

108.3 GTexel/s

24.47 TFLOPS

FP16 (half)

-

12.24 TFLOPS

FP32 (float)

2.599 TFLOPS

764.8 GFLOPS

FP64 (double)

108.3 GFLOPS

Board Design

145W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

GK104

Navi 22 XTM

GPU Variant

N15E-GT-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

3.54 billion

335 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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