AMD Radeon R7 A265 vs AMD Radeon HD 8790M

VS

AMD Radeon R7 A265

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A265 's Advantages

Released 9 months late

AMD Radeon HD 8790M 's Advantages

Boost Clock has increased by 9% (900MHz vs 825MHz)

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 A265

0.633 TFLOPS

Radeon HD 8790M +9%

0.691 TFLOPS

Radeon R7 A265

VS

Radeon HD 8790M

Graphics Card

Jan 2014

Release Date

Apr 2013

All-In-One

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

725 MHz

Base Clock

850 MHz

825 MHz

Boost Clock

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

7.200 GPixel/s

19.80 GTexel/s

Texture Rate

21.60 GTexel/s

-

633.6 GFLOPS

FP32 (float)

691.2 GFLOPS

39.60 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Opal

GPU Name

Mars

Opal XT

GPU Variant

Mars M2 XTX (216-0842036)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

0.95 billion

77 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5 (5.1)

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