NVIDIA Tesla K20X vs ATI Radeon HD 5870 Mac Edition

GPU Specs Compare

Graphics Card

Release Date
Nov 2012
Jun 2010
Generation
Tesla
Evergreen
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16

Clock Speeds

Memory Clock
1300 MHz
1195 MHz

Memory

Memory Size
6GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
249.6GB/s
153.0GB/s

Render Config

Shading Units
2688
1600
TMUs
224
80
ROPs
48
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
-
20

Theoretical Performance

Pixel Rate
40.99 GPixel/s
27.20 GPixel/s
Texture Rate
164.0 GTexel/s
68.00 GTexel/s
FP32 (float)
3.935 TFLOPS
2.720 TFLOPS
FP64 (double)
1312 GFLOPS
544.0 GFLOPS

Graphics Processor

GPU Name
GK110
Cypress
Architecture
Kepler
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
7.08 billion
2.154 billion
Die Size
561 mm²
334 mm²
GPU Variant
-
Cypress XT(215-0735033)

Board Design

TDP
235W
228W
Suggested PSU
550 W
550 W
Outputs
No outputs
1x DVI2x mini-DisplayPort 1.1
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin

Graphics Features

DirectX
12 (11_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.1
N/A
CUDA
3.5
-
Shader Model
5.1
5.0