NVIDIA Tesla C870 vs NVIDIA Quadro NVS 420

VS

We compared two Professional market GPUs: 1536MB VRAM Tesla C870 and 256MB VRAM Quadro NVS 420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla C870 's Advantages

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (76.80GB/s vs 11.20GB/s)

120 additional rendering cores

NVIDIA Quadro NVS 420 's Advantages

Released 1 years and 8 months late

Lower TDP (40W vs 171W)

Score

Benchmark

FP32 (float)

Tesla C870 +1472%

0.346 TFLOPS

Quadro NVS 420

0.022 TFLOPS

Tesla C870

VS

Quadro NVS 420

Graphics Card

May 2007

Release Date

Jan 2009

Tesla

Generation

Quadro NVS

Professional

Type

Professional

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

700 MHz

Memory

1536MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

384bit

Memory Bus

64bit

76.80GB/s

Bandwidth

11.20GB/s

Render Config

16

SM Count

1

-

Compute Units

-

128

Shading Units

8

32

TMUs

4

24

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

96 KB

L2 Cache

16 KB

Theoretical Performance

14.40 GPixel/s

Pixel Rate

2.200 GPixel/s

38.40 GTexel/s

Texture Rate

2.200 GTexel/s

-

FP16 (half)

-

345.6 GFLOPS

FP32 (float)

22.40 GFLOPS

-

FP64 (double)

-

Graphics Processor

G80

GPU Name

G98

-

GPU Variant

-

Tesla

Architecture

Tesla

TSMC

Foundry

TSMC

90 nm

Process Size

65 nm

0.681 billion

Transistors

0.21 billion

484 mm²

Die Size

86 mm²

Board Design

171W

TDP

40W

450 W

Suggested PSU

200 W

No outputs

Outputs

1x VHDCI

2x 6-pin

Power Connectors

None

Graphics Features

11.1 (10_0)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1 (1.0)

OpenCL

1.1

N/A

Vulkan

N/A

1.0

CUDA

1.1

4.0

Shader Model

4.0

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