AMD Radeon HD 6490M vs NVIDIA GeForce 800A

VS

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M 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 6490M 's Advantages

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

112 additional rendering cores

NVIDIA GeForce 800A 's Advantages

Released 3 years and 2 months late

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 6490M +181%

0.256 TFLOPS

GeForce 800A

0.091 TFLOPS

Radeon HD 6490M

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

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

1

2

Compute Units

-

160

Shading Units

48

8

TMUs

8

4

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

950.0 MPixel/s

6.400 GTexel/s

Texture Rate

3.800 GTexel/s

-

FP16 (half)

-

256.0 GFLOPS

FP32 (float)

91.20 GFLOPS

-

FP64 (double)

7.600 GFLOPS

Graphics Processor

Seymour

GPU Name

GF119

Seymour XTX S3 (216-0809024)

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.292 billion

67 mm²

Die Size

79 mm²

Board Design

Unknown

TDP

15W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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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