AMD Radeon HD 6990M Rebrand vs NVIDIA GeForce 805A

VS

AMD Radeon HD 6990M Rebrand

NVIDIA GeForce 805A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 1024MB VRAM GeForce 805A 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 16.02GB/s)

608 additional rendering cores

NVIDIA GeForce 805A 's Advantages

Released 3 years late

Boost Clock758MHz

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +339%

1.28 TFLOPS

GeForce 805A

0.291 TFLOPS

Radeon HD 6990M Rebrand

VS

GeForce 805A

Graphics Card

Jul 2011

Release Date

Jul 2014

Vancouver

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

719 MHz

-

Boost Clock

758 MHz

1100 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

16.02GB/s

Render Config

14

Compute Units

-

800

Shading Units

192

40

TMUs

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

6.064 GPixel/s

32.00 GTexel/s

Texture Rate

12.13 GTexel/s

-

1280 GFLOPS

FP32 (float)

291.1 GFLOPS

-

FP64 (double)

12.13 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

GK208

Broadway XTX

GPU Variant

-

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

1.02 billion

166 mm²

Die Size

87 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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