AMD Radeon HD 6850 1440SP Edition vs NVIDIA GeForce 405 OEM

VS

AMD Radeon HD 6850 1440SP Edition

NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages

Released 1 years and 11 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 12.64GB/s)

1424 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 151W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 1440SP Edition +4540%

2.088 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

Radeon HD 6850 1440SP Edition

VS

GeForce 405 OEM

Graphics Card

Aug 2012

Release Date

Sep 2010

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

790 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

12.64GB/s

Render Config

18

Compute Units

-

SM Count

2

1440

Shading Units

16

72

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

2.356 GPixel/s

52.20 GTexel/s

Texture Rate

4.712 GTexel/s

-

2.088 TFLOPS

FP32 (float)

44.86 GFLOPS

417.6 GFLOPS

FP64 (double)

-

Board Design

151W

TDP

25W

450 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

GT218

Cypress PRO (215-0735043)

GPU Variant

GT218-300-B1

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.26 billion

334 mm²

Die Size

57 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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