AMD Radeon RX 7800M vs AMD Radeon HD 8690M

VS

AMD Radeon RX 7800M

AMD Radeon HD 8690M

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 2GB VRAM Radeon HD 8690M 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 2GB)

Larger VRAM bandwidth (432GB/s vs 32.00GB/s)

3520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7800M +5648%

35.87 TFLOPS

Radeon HD 8690M

0.624 TFLOPS

Radeon RX 7800M

VS

Radeon HD 8690M

Graphics Card

Sep 2024

Release Date

Mar 2013

Navi Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

925 MHz

2145 MHz

Boost Clock

975 MHz

2250 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

432GB/s

Bandwidth

32.00GB/s

Render Config

60

Compute Units

5

-

3840

Shading Units

320

240

TMUs

20

96

ROPs

8

-

60

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

128 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

7.800 GPixel/s

560.4 GTexel/s

Texture Rate

19.50 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

624.0 GFLOPS

1121 GFLOPS

FP64 (double)

39.00 GFLOPS

Board Design

180W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 32

GPU Name

Sun

Navi 32

GPU Variant

Sun S3 XT (216-0841009)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

0.69 billion

529 mm²

Die Size

56 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5 (5.1)

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