AMD Radeon RX 6800M vs ATI Mobility Radeon HD 4860

VS

AMD Radeon RX 6800M

ATI Mobility Radeon HD 4860

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 1024MB VRAM Mobility Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Released 12 years and 2 months late

Boost Clock2390MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 64.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800M +1371%

12.24 TFLOPS

Mobility Radeon HD 4860

0.832 TFLOPS

Radeon RX 6800M

VS

Mobility Radeon HD 4860

Graphics Card

May 2021

Release Date

Mar 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2116 MHz

Base Clock

-

2390 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

384.0GB/s

Bandwidth

64.00GB/s

Render Config

40

Compute Units

8

-

2560

Shading Units

640

160

TMUs

32

64

ROPs

16

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

10.40 GPixel/s

382.4 GTexel/s

Texture Rate

20.80 GTexel/s

24.47 TFLOPS

FP16 (half)

-

12.24 TFLOPS

FP32 (float)

832.0 GFLOPS

764.8 GFLOPS

FP64 (double)

166.4 GFLOPS

Board Design

145W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

M97

Navi 22 XTM

GPU Variant

M97 M2 XT (216-0731000)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

0.826 billion

335 mm²

Die Size

137 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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