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

VS

AMD Radeon HD 6850M AMD Radeon RX 6850M XT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6850M and 12GB VRAM Radeon RX 6850M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850M 's Advantages

Lower TDP (50W vs 165W)

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 25.60GB/s)

1760 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850M

1.08 TFLOPS

Radeon RX 6850M XT +1123%

13.21 TFLOPS

Radeon HD 6850M

VS

Radeon RX 6850M XT

Graphics Card

Jan 2011

Release Date

Jan 2022

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

800 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

12GB

GDDR3

Memory Type

GDDR6

128bit

Memory Bus

192bit

25.60GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

10

Compute Units

40

800

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

Tensor Cores

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

165.2 GPixel/s

27.00 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

1080 GFLOPS

FP32 (float)

13.21 TFLOPS

-

FP64 (double)

825.9 GFLOPS

Graphics Processor

Granville

GPU Name

Navi 22

Granville PRO

GPU Variant

Navi 22 XTM

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.04 billion

Transistors

17.2 billion

166 mm²

Die Size

335 mm²

Board Design

50W

TDP

165W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

5.0

Shader Model

6.5

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