AMD Radeon HD 8670M vs AMD Radeon RX 7800M

VS

AMD Radeon HD 8670M

AMD Radeon RX 7800M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 12GB VRAM Radeon RX 7800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 11 years and 6 months late

Boost Clock has increased by 120% (2145MHz vs 975MHz)

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432GB/s vs 14.40GB/s)

3520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon RX 7800M +5648%

35.87 TFLOPS

Radeon HD 8670M

VS

Radeon RX 7800M

Graphics Card

Mar 2013

Release Date

Sep 2024

Solar System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

925 MHz

Base Clock

1825 MHz

975 MHz

Boost Clock

2145 MHz

900 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

432GB/s

Render Config

5

Compute Units

60

-

320

Shading Units

3840

20

TMUs

240

8

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

256 KB per Array

128 KB

L2 Cache

6 MB

-

L3 Cache

48 MB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

401.3 GPixel/s

19.50 GTexel/s

Texture Rate

560.4 GTexel/s

-

FP16 (half)

71.73 TFLOPS

624.0 GFLOPS

FP32 (float)

35.87 TFLOPS

39.00 GFLOPS

FP64 (double)

1121 GFLOPS

Board Design

Unknown

TDP

180W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Navi 32

Sun S3 XT (216-0841009)

GPU Variant

Navi 32

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

0.69 billion

Transistors

28.1 billion

56 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.2

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.7

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