AMD Radeon HD 6850 X2 vs NVIDIA NVS 1000

VS

AMD Radeon HD 6850 X2

NVIDIA NVS 1000

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 2GB VRAM NVS 1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 28.51GB/s)

768 additional rendering cores

NVIDIA NVS 1000 's Advantages

Lower TDP (35W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +401%

1.536 TFLOPS

NVS 1000

0.306 TFLOPS

Radeon HD 6850 X2

VS

NVS 1000

Graphics Card

Sep 2011

Release Date

Unknown

Northern Islands

Generation

NVS

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

891 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

28.51GB/s

Render Config

12

Compute Units

-

960

Shading Units

192

48

TMUs

16

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

3.188 GPixel/s

38.40 GTexel/s

Texture Rate

12.75 GTexel/s

-

1.536 TFLOPS

FP32 (float)

306.0 GFLOPS

-

FP64 (double)

12.75 GFLOPS

Board Design

254W

TDP

35W

600 W

Suggested PSU

200 W

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

Outputs

4x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

-

Graphics Processor

Barts

GPU Name

GK107

Barts PRO (215-0798006)

GPU Variant

-

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.27 billion

255 mm²

Die Size

118 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

3.0

5.0

Shader Model

5.1

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