NVIDIA Tesla X2070 vs NVIDIA Tesla C870

VS

NVIDIA Tesla X2070

NVIDIA Tesla C870

We compared two Professional market GPUs: 6GB VRAM Tesla X2070 and 1536MB VRAM Tesla C870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla X2070 's Advantages

Released 4 years and 2 months late

More VRAM (6GB vs 1536GB)

Larger VRAM bandwidth (177.4GB/s vs 76.80GB/s)

320 additional rendering cores

NVIDIA Tesla C870 's Advantages

Lower TDP (171W vs 225W)

Score

Benchmark

FP32 (float)

Tesla X2070 +236%

1.166 TFLOPS

Tesla C870

0.346 TFLOPS

Tesla X2070

VS

Tesla C870

Graphics Card

Jul 2011

Release Date

May 2007

Tesla

Generation

Tesla

Professional

Type

Professional

MXM-B (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

924 MHz

Memory Clock

800 MHz

Memory

6GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

384bit

177.4GB/s

Bandwidth

76.80GB/s

Render Config

-

14

SM Count

16

448

Shading Units

128

56

TMUs

32

48

ROPs

24

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

96 KB

-

Theoretical Performance

18.23 GPixel/s

Pixel Rate

14.40 GPixel/s

36.46 GTexel/s

Texture Rate

38.40 GTexel/s

-

1166 GFLOPS

FP32 (float)

345.6 GFLOPS

582.8 GFLOPS

FP64 (double)

-

Board Design

225W

TDP

171W

550 W

Suggested PSU

450 W

No outputs

Outputs

No outputs

-

Power Connectors

2x 6-pin

Graphics Processor

GF100

GPU Name

G80

GF100-876-A3

GPU Variant

-

Fermi

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

3.1 billion

Transistors

0.681 billion

529 mm²

Die Size

484 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

2.0

CUDA

1.0

5.1

Shader Model

4.0

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