ATI Mobility Radeon HD 4860 vs AMD Radeon RX 6800M

VS

ATI Mobility Radeon HD 4860

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 12GB VRAM Radeon RX 6800M 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)

Mobility Radeon HD 4860

0.832 TFLOPS

Radeon RX 6800M +1371%

12.24 TFLOPS

Mobility Radeon HD 4860

VS

Radeon RX 6800M

Graphics Card

Mar 2009

Release Date

May 2021

M9x

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2116 MHz

-

Boost Clock

2390 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

64.00GB/s

Bandwidth

384.0GB/s

Render Config

8

Compute Units

40

-

640

Shading Units

2560

32

TMUs

160

16

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

10.40 GPixel/s

Pixel Rate

153.0 GPixel/s

20.80 GTexel/s

Texture Rate

382.4 GTexel/s

-

FP16 (half)

24.47 TFLOPS

832.0 GFLOPS

FP32 (float)

12.24 TFLOPS

166.4 GFLOPS

FP64 (double)

764.8 GFLOPS

Board Design

Unknown

TDP

145W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

M97

GPU Name

Navi 22

M97 M2 XT (216-0731000)

GPU Variant

Navi 22 XTM

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.826 billion

Transistors

17.2 billion

137 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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