NVIDIA Tesla K20c vs NVIDIA Quadro FX 3800
We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 1024MB VRAM Quadro FX 3800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20c 's Advantages
Released 3 years and 8 months late
More VRAM (5GB vs 1024GB)
Larger VRAM bandwidth (208.0GB/s vs 51.20GB/s)
2304 additional rendering cores
NVIDIA Quadro FX 3800 's Advantages
Lower TDP (108W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20c
+662%
3.524 TFLOPS
Quadro FX 3800
0.462 TFLOPS
Graphics Card
Nov 2012
Release Date
Mar 2009
Tesla
Generation
Quadro FX
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1300 MHz
Memory Clock
800 MHz
Memory
5GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
320bit
Memory Bus
256bit
208.0GB/s
Bandwidth
51.20GB/s
Render Config
-
-
-
-
SM Count
24
2496
Shading Units
192
208
TMUs
64
40
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
1280 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
9.600 GPixel/s
146.8 GTexel/s
Texture Rate
38.40 GTexel/s
-
-
-
3.524 TFLOPS
FP32 (float)
462.3 GFLOPS
1175 GFLOPS
FP64 (double)
57.79 GFLOPS
Board Design
225W
TDP
108W
550 W
Suggested PSU
300 W
No outputs
Outputs
1x DVI
2x DisplayPort
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GK110
GPU Name
GT200B
GK110-885-KA-A1
GPU Variant
G200-835-B2
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
7.08 billion
Transistors
1.4 billion
561 mm²
Die Size
470 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.5
CUDA
1.3
5.1
Shader Model
4.0
