AMD Radeon RX 6800M vs ATI Mobility Radeon HD 5145

VS

AMD Radeon RX 6800M

ATI Mobility Radeon HD 5145

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Released 11 years and 4 months late

Boost Clock2390MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 14.40GB/s)

2480 additional rendering cores

ATI Mobility Radeon HD 5145 's Advantages

Lower TDP (15W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M +10543%

12.24 TFLOPS

Mobility Radeon HD 5145

0.115 TFLOPS

Radeon RX 6800M

VS

Mobility Radeon HD 5145

Graphics Card

May 2021

Release Date

Jan 2010

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

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

14.40GB/s

Render Config

40

Compute Units

1

-

2560

Shading Units

80

160

TMUs

8

64

ROPs

4

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

64 KB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

2.880 GPixel/s

382.4 GTexel/s

Texture Rate

5.760 GTexel/s

24.47 TFLOPS

FP16 (half)

-

12.24 TFLOPS

FP32 (float)

115.2 GFLOPS

764.8 GFLOPS

FP64 (double)

-

Board Design

145W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

M92

Navi 22 XTM

GPU Variant

-

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

17.2 billion

Transistors

0.242 billion

335 mm²

Die Size

73 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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