NVIDIA GeForce 805A vs AMD Radeon R7 A265

VS

NVIDIA GeForce 805A

AMD Radeon R7 A265

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 2GB VRAM Radeon R7 A265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages

Released 6 months late

AMD Radeon R7 A265 's Advantages

Boost Clock has increased by 9% (825MHz vs 758MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

Radeon R7 A265 +117%

0.633 TFLOPS

GeForce 805A

VS

Radeon R7 A265

Graphics Card

Jul 2014

Release Date

Jan 2014

GeForce 800A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

719 MHz

Base Clock

725 MHz

758 MHz

Boost Clock

825 MHz

1001 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

28.80GB/s

Render Config

-

Compute Units

6

-

192

Shading Units

384

16

TMUs

24

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

6.600 GPixel/s

12.13 GTexel/s

Texture Rate

19.80 GTexel/s

-

291.1 GFLOPS

FP32 (float)

633.6 GFLOPS

12.13 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK208

GPU Name

Opal

-

GPU Variant

Opal XT

Kepler 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

0.95 billion

87 mm²

Die Size

77 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.5

CUDA

-

5.1

Shader Model

6.5 (5.1)

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