AMD Radeon HD 8790M: GPU Specs & Benchmarks

The Radeon HD 8790M is a graphics card by AMD, built on the 28 nm process and based on the Mars graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Mars

Model number

Mars XTX

Architecture

GCN 1.0

Foundry

TSMC

Process Size

28 nm

Transistors

950 million

Die Size

77 mm²

Graphics Card

Release Date

Apr 1st, 2013

Family

Solar System
(HD 8700M)

Production

End-of-life

Predecessor

London

Bus Interface

MXM-A (3.0)

Memory

Memory Size

2 GB

Memory Type

GDDR5

Memory Bus

128 bit

Bandwidth

64.00 GB/s

Performance

Pixel fillrate

7.200 GPixel/s

Texture fillrate

21.60 GTexel/s

FP32 (float) performance

691.2 GFLOPS

FP64 (double) performance

43.20 GFLOPS (1:16)

Clock Speeds

Base Clock

850 MHz

Boost Clock

900 MHz

Memory Clock

1000 MHz
4 Gbps effective

Render Config

Shading Units

384

TMUs

24

ROPs

8

Compute Units

6

L1 Cache

16 KB (per CU)

L2 Cache

256 KB

Board Design

Slot Width

MXM Module

Thermal design power (TDP)

unknown

Display Connectors

No outputs

Power Connectors

None

Board Number

C615

API support

DirectX

12 (11_1)

OpenGL

4.6

OpenCL

1.2

Vulkan

1.2

Shader Model

5.1