NVIDIA GeForce 405 OEM vs AMD Radeon HD 6850 X2

VS

NVIDIA GeForce 405 OEM AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 405 OEM and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

Released 1 years late

Larger VRAM bandwidth (134.4GB/s vs 12.64GB/s)

944 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 405 OEM

0.045 TFLOPS

Radeon HD 6850 X2 +3313%

1.536 TFLOPS

GeForce 405 OEM

VS

Radeon HD 6850 X2

Graphics Card

Sep 2010

Release Date

Sep 2011

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

790 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.64GB/s

Bandwidth

134.4GB/s

Render Config

2

SM Count

-

Compute Units

12

16

Shading Units

960

8

TMUs

48

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

512 KB

Theoretical Performance

2.356 GPixel/s

Pixel Rate

25.60 GPixel/s

4.712 GTexel/s

Texture Rate

38.40 GTexel/s

-

FP16 (half)

-

44.86 GFLOPS

FP32 (float)

1.536 TFLOPS

-

FP64 (double)

-

Graphics Processor

GT218

GPU Name

Barts

GT218-300-B1

GPU Variant

Barts PRO (215-0798006)

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.26 billion

Transistors

1.7 billion

57 mm²

Die Size

255 mm²

Board Design

25W

TDP

254W

200 W

Suggested PSU

600 W

1x DVI 1x HDMI 1x VGA

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Features

11.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

5.0

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