NVIDIA Tesla C2050 vs NVIDIA Tesla D870

VS

NVIDIA Tesla C2050

NVIDIA Tesla D870

We compared two Professional market GPUs: 3GB VRAM Tesla C2050 and 1536MB VRAM Tesla D870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla C2050 's Advantages

Released 4 years and 2 months late

More VRAM (3GB vs 1536GB)

Larger VRAM bandwidth (144.0GB/s vs 76.80GB/s)

320 additional rendering cores

Lower TDP (238W vs 520W)

Score

Benchmark

FP32 (float)

Tesla C2050 +197%

1.028 TFLOPS

Tesla D870

0.346 TFLOPS

Tesla C2050

VS

Tesla D870

Graphics Card

Jul 2011

Release Date

May 2007

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

750 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

384bit

144.0GB/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

16.07 GPixel/s

Pixel Rate

14.40 GPixel/s

32.14 GTexel/s

Texture Rate

38.40 GTexel/s

-

1028 GFLOPS

FP32 (float)

345.6 GFLOPS

513.9 GFLOPS

FP64 (double)

-

Board Design

238W

TDP

520W

550 W

Suggested PSU

900 W

1x DVI

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

GF100

GPU Name

G80

GF100-850-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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