NVIDIA GeForce GTX 870M vs AMD Radeon RX 6650M XT

VS

NVIDIA GeForce GTX 870M AMD Radeon RX 6650M XT

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 8GB VRAM Radeon RX 6650M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Lower TDP (100W vs 120W)

AMD Radeon RX 6650M XT 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 150% (2416MHz vs 967MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (256.0GB/s vs 120.0GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 870M

2.599 TFLOPS

Radeon RX 6650M XT +280%

9.896 TFLOPS

GeForce GTX 870M

VS

Radeon RX 6650M XT

Graphics Card

Mar 2014

Release Date

Jan 2022

GeForce 800M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

941 MHz

Base Clock

2068 MHz

967 MHz

Boost Clock

2416 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

128bit

120.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

Compute Units

32

1344

Shading Units

2048

112

TMUs

128

24

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per SMX)

L1 Cache

128 KB per Array

384 KB

L2 Cache

2 MB

Theoretical Performance

27.08 GPixel/s

Pixel Rate

154.6 GPixel/s

108.3 GTexel/s

Texture Rate

309.2 GTexel/s

-

FP16 (half)

19.79 TFLOPS

2.599 TFLOPS

FP32 (float)

9.896 TFLOPS

108.3 GFLOPS

FP64 (double)

618.5 GFLOPS

Graphics Processor

GK104

GPU Name

Navi 23

N15E-GT-A2

GPU Variant

-

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

3.54 billion

Transistors

11.06 billion

294 mm²

Die Size

237 mm²

Board Design

100W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.5

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