NVIDIA Tesla K20c vs NVIDIA Quadro FX 4700 X2
We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 1024MB VRAM Quadro FX 4700 X2 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 7 months late
More VRAM (5GB vs 1024GB)
Larger VRAM bandwidth (208.0GB/s vs 51.20GB/s)
2368 additional rendering cores
Lower TDP (225W vs 226W)
Score
Benchmark
FP32 (float)
Tesla K20c
+817%
3.524 TFLOPS
Quadro FX 4700 X2
0.384 TFLOPS
Graphics Card
Nov 2012
Release Date
Apr 2008
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
16
2496
Shading Units
128
208
TMUs
64
40
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
1280 KB
L2 Cache
64 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)
384.0 GFLOPS
1175 GFLOPS
FP64 (double)
-
Board Design
225W
TDP
226W
550 W
Suggested PSU
550 W
No outputs
Outputs
2x DVI
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GK110
GPU Name
G92
GK110-885-KA-A1
GPU Variant
G92-880-A2
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
7.08 billion
Transistors
0.754 billion
561 mm²
Die Size
324 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
1.1
5.1
Shader Model
4.0
