AMD Radeon HD 8790M vs AMD Radeon RX Vega 56 Mobile

VS

AMD Radeon HD 8790M AMD Radeon RX Vega 56 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8790M and 8GB VRAM Radeon RX Vega 56 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 Mobile 's Advantages

Released 5 years and 2 months late

Boost Clock has increased by 45% (1301MHz vs 900MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (409.6GB/s vs 64.00GB/s)

3200 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8790M

0.691 TFLOPS

Radeon RX Vega 56 Mobile +1249%

9.326 TFLOPS

Radeon HD 8790M

VS

Radeon RX Vega 56 Mobile

Graphics Card

Apr 2013

Release Date

Jun 2018

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

850 MHz

Base Clock

1138 MHz

900 MHz

Boost Clock

1301 MHz

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

2048bit

64.00GB/s

Bandwidth

409.6GB/s

Render Config

-

SM Count

-

6

Compute Units

56

384

Shading Units

3584

24

TMUs

224

8

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

Theoretical Performance

7.200 GPixel/s

Pixel Rate

83.26 GPixel/s

21.60 GTexel/s

Texture Rate

291.4 GTexel/s

-

FP16 (half)

18.65 TFLOPS

691.2 GFLOPS

FP32 (float)

9.326 TFLOPS

43.20 GFLOPS

FP64 (double)

582.8 GFLOPS

Graphics Processor

Mars

GPU Name

Vega 10

Mars M2 XTX (216-0842036)

GPU Variant

Vega 10 XL (215-0894216)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

12.5 billion

77 mm²

Die Size

495 mm²

Board Design

Unknown

TDP

120W

-

Suggested PSU

-

Portable Device Dependent

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

CUDA

-

6.5 (5.1)

Shader Model

6.4

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