NVIDIA GeForce 800A vs AMD Radeon HD 6990M Rebrand

VS

NVIDIA GeForce 800A

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 1024MB VRAM Radeon HD 6990M Rebrand 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 8 months late

Lower TDP (15W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 14.40GB/s)

752 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 800A

0.091 TFLOPS

Radeon HD 6990M Rebrand +1306%

1.28 TFLOPS

GeForce 800A

VS

Radeon HD 6990M Rebrand

Graphics Card

Mar 2014

Release Date

Jul 2011

GeForce 800A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1100 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

70.40GB/s

Render Config

-

Compute Units

14

1

SM Count

-

48

Shading Units

800

8

TMUs

40

4

ROPs

16

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

12.80 GPixel/s

3.800 GTexel/s

Texture Rate

32.00 GTexel/s

-

91.20 GFLOPS

FP32 (float)

1280 GFLOPS

7.600 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

Broadway

-

GPU Variant

Broadway XTX

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.04 billion

79 mm²

Die Size

166 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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