ATI Mobility Radeon HD 4860 vs AMD Radeon R7 A265

VS

ATI Mobility Radeon HD 4860

AMD Radeon R7 A265

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 2GB VRAM Radeon R7 A265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4860 's Advantages

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

256 additional rendering cores

AMD Radeon R7 A265 's Advantages

Released 4 years and 10 months late

Boost Clock825MHz

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860 +31%

0.832 TFLOPS

Radeon R7 A265

0.633 TFLOPS

Mobility Radeon HD 4860

VS

Radeon R7 A265

Graphics Card

Mar 2009

Release Date

Jan 2014

M9x

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

825 MHz

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

8

Compute Units

6

-

640

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

6.600 GPixel/s

20.80 GTexel/s

Texture Rate

19.80 GTexel/s

-

832.0 GFLOPS

FP32 (float)

633.6 GFLOPS

166.4 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M97

GPU Name

Opal

M97 M2 XT (216-0731000)

GPU Variant

Opal XT

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

0.95 billion

137 mm²

Die Size

77 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5 (5.1)

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