AMD Radeon HD 6625M vs NVIDIA GeForce 800A

VS

AMD Radeon HD 6625M

NVIDIA GeForce 800A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 1024MB VRAM GeForce 800A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6625M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

432 additional rendering cores

NVIDIA GeForce 800A 's Advantages

Released 3 years and 2 months late

Lower TDP (15W vs 26W)

Score

Benchmark

FP32 (float)

Radeon HD 6625M +374%

0.432 TFLOPS

GeForce 800A

0.091 TFLOPS

Radeon HD 6625M

VS

GeForce 800A

Graphics Card

Jan 2011

Release Date

Mar 2014

Vancouver

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

SM Count

1

480

Shading Units

48

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

950.0 MPixel/s

10.80 GTexel/s

Texture Rate

3.800 GTexel/s

-

432.0 GFLOPS

FP32 (float)

91.20 GFLOPS

-

FP64 (double)

7.600 GFLOPS

Board Design

26W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GF119

Whistler LP

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.292 billion

104 mm²

Die Size

79 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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