NVIDIA NVS 300 vs AMD Radeon HD 6870

VS

NVIDIA NVS 300

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 512MB VRAM NVS 300 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA NVS 300 's Advantages

Lower TDP (18W vs 151W)

AMD Radeon HD 6870 's Advantages

More VRAM (1024GB vs 512GB)

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

1104 additional rendering cores

Score

Benchmark

FP32 (float)

NVS 300

0.039 TFLOPS

Radeon HD 6870 +5069%

2.016 TFLOPS

NVS 300

VS

Radeon HD 6870

Graphics Card

Jan 2011

Release Date

Oct 2010

NVS

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

12.64GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

2

SM Count

-

16

Shading Units

1120

8

TMUs

56

4

ROPs

32

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

28.80 GPixel/s

4.160 GTexel/s

Texture Rate

50.40 GTexel/s

-

39.36 GFLOPS

FP32 (float)

2.016 TFLOPS

-

Board Design

18W

TDP

151W

200 W

Suggested PSU

450 W

1x DMS-59

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GT218

GPU Name

Barts

GT218-670-B1

GPU Variant

Barts XT (215-0798000)

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

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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