AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 800A

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce 800A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand 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 6990M Rebrand 's Advantages

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

752 additional rendering cores

NVIDIA GeForce 800A 's Advantages

Released 2 years and 8 months late

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +1306%

1.28 TFLOPS

GeForce 800A

0.091 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce 800A

Graphics Card

Jul 2011

Release Date

Mar 2014

Vancouver

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1100 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

-

SM Count

1

800

Shading Units

48

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

950.0 MPixel/s

32.00 GTexel/s

Texture Rate

3.800 GTexel/s

-

1280 GFLOPS

FP32 (float)

91.20 GFLOPS

-

FP64 (double)

7.600 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

GF119

Broadway XTX

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.292 billion

166 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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