NVIDIA GeForce GTX TITAN vs NVIDIA GeForce GTX TITAN Z
GPU · Specs Compare
Graphics Card
Release Date
Feb 2013
May 2014
Generation
GeForce 700
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
836 MHz
705 MHz
Boost Clock
876 MHz
876 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
6GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
288.4GB/s
336.0GB/s
Render Config
Shading Units
2688
2880
TMUs
224
240
ROPs
48
48
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
1536 KB
Theoretical Performance
Pixel Rate
49.06 GPixel/s
52.56 GPixel/s
Texture Rate
196.2 GTexel/s
210.2 GTexel/s
FP32 (float)
4.709 TFLOPS
5.046 TFLOPS
FP64 (double)
1.570 TFLOPS
1.682 TFLOPS
Graphics Processor
GPU Name
GK110
GK110B
GPU Variant
GK110-400-A1
GK110-350-B1
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
7.08 billion
Die Size
561 mm²
561 mm²
Board Design
TDP
250W
375W
Suggested PSU
600 W
750 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.2.175
CUDA
3.5
3.5
Shader Model
5.1
6.5 (5.1)
Benchmark
3DMark Time Spy
2,881
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▲ Specs Compare
Data sourced from official specifications and benchmark tests.