AMD Radeon RX 6800S vs ATI Mobility Radeon HD 4670

VS

AMD Radeon RX 6800S ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 512MB VRAM Mobility Radeon HD 4670 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

Larger VRAM bandwidth (256.0GB/s vs 25.60GB/s)

1728 additional rendering cores

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6800S +1891%

8.602 TFLOPS

Mobility Radeon HD 4670

0.432 TFLOPS

Radeon RX 6800S

VS

Mobility Radeon HD 4670

Graphics Card

Jan 2022

Release Date

Jan 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1800 MHz

Base Clock

-

2100 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

32

Compute Units

4

2048

Shading Units

320

128

TMUs

32

64

ROPs

8

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

134.4 GPixel/s

Pixel Rate

5.400 GPixel/s

268.8 GTexel/s

Texture Rate

21.60 GTexel/s

17.20 TFLOPS

FP16 (half)

-

8.602 TFLOPS

FP32 (float)

432.0 GFLOPS

537.6 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

M96

-

GPU Variant

M96 XT (216-0729051)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.514 billion

237 mm²

Die Size

146 mm²

Board Design

100W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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

-

CUDA

-

6.5

Shader Model

4.1

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