ATI Mobility Radeon HD 3850 X2 vs AMD Radeon RX 6850M XT

VS

ATI Mobility Radeon HD 3850 X2 AMD Radeon RX 6850M XT

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3850 X2 and 12GB VRAM Radeon RX 6850M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3850 X2 's Advantages

Lower TDP (70W vs 165W)

AMD Radeon RX 6850M XT 's Advantages

Released 13 years and 7 months late

Boost Clock2581MHz

Larger VRAM bandwidth (384.0GB/s vs 48.00GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3850 X2

0.371 TFLOPS

Radeon RX 6850M XT +3460%

13.21 TFLOPS

Mobility Radeon HD 3850 X2

VS

Radeon RX 6850M XT

Graphics Card

Jun 2008

Release Date

Jan 2022

M8x

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

750 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

12GB

GDDR3

Memory Type

GDDR6

256bit

Memory Bus

192bit

48.00GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

4

Compute Units

40

320

Shading Units

2560

16

TMUs

160

16

ROPs

64

-

Tensor Cores

-

RT Cores

40

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

Theoretical Performance

9.280 GPixel/s

Pixel Rate

165.2 GPixel/s

9.280 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

371.2 GFLOPS

FP32 (float)

13.21 TFLOPS

74.24 GFLOPS

FP64 (double)

825.9 GFLOPS

Graphics Processor

M88

GPU Name

Navi 22

-

GPU Variant

Navi 22 XTM

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.666 billion

Transistors

17.2 billion

192 mm²

Die Size

335 mm²

Board Design

70W

TDP

165W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

4.1

Shader Model

6.5

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