NVIDIA Tesla C2070 vs NVIDIA Tesla D870
We compared two Professional market GPUs: 6GB VRAM Tesla C2070 and 1536MB VRAM Tesla D870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla C2070 's Advantages
Released 4 years and 2 months late
More VRAM (6GB vs 1536GB)
Larger VRAM bandwidth (143.4GB/s vs 76.80GB/s)
320 additional rendering cores
Lower TDP (238W vs 520W)
Score
Benchmark
FP32 (float)
Tesla C2070
+197%
1.028 TFLOPS
Tesla D870
0.346 TFLOPS
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
-
-
-
-
-
-
747 MHz
Memory Clock
800 MHz
Memory
6GB
Memory Size
1536MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
384bit
143.4GB/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 8-pin
Power Connectors
-
Graphics Processor
GF100
GPU Name
G80
-
-
-
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
