ATI Mobility Radeon HD 4850 X2 vs AMD Radeon RX 6850M XT

VS

ATI Mobility Radeon HD 4850 X2

AMD Radeon RX 6850M XT

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 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

AMD Radeon RX 6850M XT 's Advantages

Released 13 years late

Boost Clock2581MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 89.60GB/s)

1760 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon RX 6850M XT +1551%

13.21 TFLOPS

Mobility Radeon HD 4850 X2

VS

Radeon RX 6850M XT

Graphics Card

Jan 2009

Release Date

Jan 2022

M9x

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

700 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

89.60GB/s

Bandwidth

384.0GB/s

Render Config

10

Compute Units

40

-

800

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

8.000 GPixel/s

Pixel Rate

165.2 GPixel/s

20.00 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

800.0 GFLOPS

FP32 (float)

13.21 TFLOPS

160.0 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

Unknown

TDP

165W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

M98

GPU Name

Navi 22

M98 L2 (216-0732019)

GPU Variant

Navi 22 XTM

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.956 billion

Transistors

17.2 billion

256 mm²

Die Size

335 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.5

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