NVIDIA Tesla K40t vs ATI Radeon HD 5950
GPU · Specs Compare
Graphics Card
Release Date
Nov 2013
Unknown
Generation
Tesla Kepler
Evergreen
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
745 MHz
—
Boost Clock
876 MHz
—
Memory Clock
1502 MHz
1000 MHz
Memory
Memory Size
12GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
128.0GB/s
Render Config
Shading Units
2880
1440
TMUs
240
72
ROPs
48
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
—
18
Theoretical Performance
Pixel Rate
52.56 GPixel/s
23.20 GPixel/s
Texture Rate
210.2 GTexel/s
52.20 GTexel/s
FP32 (float)
5.046 TFLOPS
2.088 TFLOPS
FP64 (double)
1.682 TFLOPS
—
Graphics Processor
GPU Name
GK110B
Hemlock
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
—
Hemlock PRO(215-0735443)
Board Design
TDP
245W
302W
Suggested PSU
550 W
700 W
Outputs
No outputs
2x DVI1x mini-DisplayPort 1.1
Power Connectors
—
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.2.175
N/A
CUDA
3.5
—
Shader Model
6.5 (5.1)
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.