AMD Radeon RX 6850M XT vs NVIDIA GeForce GT 645M

VS

AMD Radeon RX 6850M XT

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6850M XT 's Advantages

Released 9 years and 3 months late

Boost Clock2581MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 28.80GB/s)

2176 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 165W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +2328%

13.21 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon RX 6850M XT

VS

GeForce GT 645M

Graphics Card

Jan 2022

Release Date

Oct 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

128bit

384.0GB/s

Bandwidth

28.80GB/s

Render Config

40

Compute Units

-

2560

Shading Units

384

160

TMUs

32

64

ROPs

16

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

5.672 GPixel/s

413.0 GTexel/s

Texture Rate

22.69 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

544.5 GFLOPS

825.9 GFLOPS

FP64 (double)

22.69 GFLOPS

Board Design

165W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

GK107

Navi 22 XTM

GPU Variant

N13P-GS

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

1.27 billion

335 mm²

Die Size

118 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

Related GPU Comparisons

1

AMD Radeon RX 6850M XT vs ATI Mobility Radeon HD 5470

2

AMD Radeon RX 6850M XT vs NVIDIA GeForce MX230

3

AMD Radeon RX 6850M XT vs AMD Radeon Pro 575

4

AMD Radeon RX 6850M XT vs AMD Radeon 610 Mobile

5

AMD Radeon RX 6850M XT vs AMD Radeon HD 7670M

6

AMD Radeon RX 6850M XT vs AMD Radeon R9 M360

7

AMD Radeon RX 6850M XT vs NVIDIA GeForce MX570

8

AMD Radeon RX 6850M XT vs AMD Radeon R5 M430

9

AMD Radeon RX 6850M XT vs NVIDIA T550 Mobile

10

AMD Radeon RX 6850M XT vs NVIDIA GeForce RTX 2070 SUPER Max Q

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game