AMD Radeon RX 6850M XT vs AMD Radeon HD 6450M

VS

AMD Radeon RX 6850M XT AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 1024MB VRAM Radeon HD 6450M 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 11 years late

Boost Clock2581MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (384.0GB/s vs 12.80GB/s)

2400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +6780%

13.21 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

Radeon RX 6850M XT

VS

Radeon HD 6450M

Graphics Card

Jan 2022

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

40

Compute Units

2

2560

Shading Units

160

TMUs

8

64

ROPs

4

-

Tensor Cores

-

40

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

128 KB

Theoretical Performance

165.2 GPixel/s

Pixel Rate

2.400 GPixel/s

413.0 GTexel/s

Texture Rate

4.800 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

192.0 GFLOPS

825.9 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 22

GPU Name

Seymour

Navi 22 XTM

GPU Variant

Seymour PRO S3 (216-0809024)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

0.37 billion

335 mm²

Die Size

67 mm²

Board Design

165W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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