AMD Radeon RX 6800S vs ATI Mobility Radeon HD 4850 X2

VS

AMD Radeon RX 6800S

ATI Mobility Radeon HD 4850 X2

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 1024MB VRAM Mobility Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800S 's Advantages

Released 13 years late

Boost Clock2100MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 89.60GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800S +975%

8.602 TFLOPS

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon RX 6800S

VS

Mobility Radeon HD 4850 X2

Graphics Card

Jan 2022

Release Date

Jan 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

2100 MHz

Boost Clock

-

2000 MHz

Memory Clock

700 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

89.60GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

800

128

TMUs

40

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

8.000 GPixel/s

268.8 GTexel/s

Texture Rate

20.00 GTexel/s

17.20 TFLOPS

FP16 (half)

-

8.602 TFLOPS

FP32 (float)

800.0 GFLOPS

537.6 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

M98

-

GPU Variant

M98 L2 (216-0732019)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.956 billion

237 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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