NVIDIA Tesla K20c vs NVIDIA Quadro FX 770M

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We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 512MB VRAM Quadro FX 770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

Released 4 years and 3 months late

Larger VRAM bandwidth (208.0GB/s vs 25.60GB/s)

2464 additional rendering cores

NVIDIA Quadro FX 770M 's Advantages

Lower TDP (35W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c +4305%

3.524 TFLOPS

Quadro FX 770M

0.08 TFLOPS

Tesla K20c

VS

Quadro FX 770M

Graphics Card

Nov 2012

Release Date

Aug 2008

Tesla

Generation

Quadro FX Mobile

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

1300 MHz

Memory Clock

800 MHz

Memory

5GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

320bit

Memory Bus

128bit

208.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

4

-

Compute Units

-

2496

Shading Units

32

208

TMUs

16

40

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

1280 KB

L2 Cache

32 KB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

4.000 GPixel/s

146.8 GTexel/s

Texture Rate

8.000 GTexel/s

-

FP16 (half)

-

3.524 TFLOPS

FP32 (float)

80.00 GFLOPS

1175 GFLOPS

FP64 (double)

-

Graphics Processor

GK110

GPU Name

G96

GK110-885-KA-A1

GPU Variant

NB9P-GLM2

Kepler

Architecture

Tesla

TSMC

Foundry

UMC

28 nm

Process Size

65 nm

7.08 billion

Transistors

0.314 billion

561 mm²

Die Size

144 mm²

Board Design

225W

TDP

35W

550 W

Suggested PSU

-

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

1.1

5.1

Shader Model

4.0

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