NVIDIA GeForce 805A vs AMD Radeon HD 6990M Rebrand

VS

NVIDIA GeForce 805A AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A 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 805A 's Advantages

Released 3 years late

Boost Clock758MHz

Lower TDP (15W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 16.02GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

Radeon HD 6990M Rebrand +339%

1.28 TFLOPS

GeForce 805A

VS

Radeon HD 6990M Rebrand

Graphics Card

Jul 2014

Release Date

Jul 2011

GeForce 800A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

1001 MHz

Memory Clock

1100 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

70.40GB/s

Render Config

-

SM Count

-

Compute Units

14

192

Shading Units

800

16

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

6.064 GPixel/s

Pixel Rate

12.80 GPixel/s

12.13 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

291.1 GFLOPS

FP32 (float)

1280 GFLOPS

12.13 GFLOPS

FP64 (double)

-

Graphics Processor

GK208

GPU Name

Broadway

-

GPU Variant

Broadway XTX

Kepler 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

1.04 billion

87 mm²

Die Size

166 mm²

Board Design

15W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

5.0

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