NVIDIA GeForce 800A vs AMD Radeon HD 7490M

VS

NVIDIA GeForce 800A

AMD Radeon HD 7490M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 800A 's Advantages

Released 2 years and 2 months late

AMD Radeon HD 7490M 's Advantages

Larger VRAM bandwidth (30.40GB/s vs 14.40GB/s)

112 additional rendering cores

Lower TDP (9W vs 15W)

Score

Benchmark

FP32 (float)

GeForce 800A

0.091 TFLOPS

Radeon HD 7490M +181%

0.256 TFLOPS

GeForce 800A

VS

Radeon HD 7490M

Graphics Card

Mar 2014

Release Date

Jan 2012

GeForce 800A

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

950 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

30.40GB/s

Render Config

-

Compute Units

2

1

SM Count

-

48

Shading Units

160

8

TMUs

8

4

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

3.200 GPixel/s

3.800 GTexel/s

Texture Rate

6.400 GTexel/s

-

91.20 GFLOPS

FP32 (float)

256.0 GFLOPS

7.600 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

9W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

Seymour

-

GPU Variant

Seymour XTX (216-0810005)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

0.37 billion

79 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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