KFA2 GeForce GTX 1080 Ti EX OC
vs
ZOTAC GeForce GTX 1070 Twin Fan


GPU comparison with benchmarks

The KFA2 GeForce GTX 1080 Ti EX OC has 3584 shader units and these clock a maximum of 1.65 GHz which results in an FP32 computing power of 11.79 TFLOPS.

The ZOTAC GeForce GTX 1070 Twin Fan has 1920 shader units and these clock at a maximum of 1.68 GHz and achieve an FP32 computing power of 6.46 TFLOPS.

GPU

The KFA2 GeForce GTX 1080 Ti EX OC is equipped with a graphics chip of the Pascal architecture, which has 28 streaming multiprocessors.

The graphics card ZOTAC GeForce GTX 1070 Twin Fan is based on the Pascal architecture and is equipped with 15 execution units.
KFA2 GeForce GTX 1080 Ti EX OC GPU ZOTAC GeForce GTX 1070 Twin Fan
NVIDIA GeForce GTX 1080 Ti Based on NVIDIA GeForce GTX 1070
GP102-350-K1-A1 GPU Chip GP104-200-A1
Pascal Architecture Pascal
28 Streaming Multiprocessors 15
3584 Shader 1920
88 Render Output Units 64
224 Texture Units 120
0 Raytracing Cores 0

Memory

The KFA2 GeForce GTX 1080 Ti EX OC is equipped with a 11 GB large GDDR5X graphics memory, which is equipped with 1.376 GHz clocks.

The ZOTAC GeForce GTX 1070 Twin Fan has a 8 GB large GDDR5 graphics memory and the memory clock is 2.002GHz.

11 GB Memory Size 8 GB
GDDR5X Memory Type GDDR5
1.376 GHz Memory Clock 2.002 GHz
11.0 Gbps Memory Speed 8.0 Gbps
484 GB/s Memory bandwidth 256 GB/s
352 bit Memory Interface 256 bit

Clock Speeds

The KFA2 GeForce GTX 1080 Ti EX OC has a turbo clock of 1.645 GHz. The turbo frequency of the ZOTAC GeForce GTX 1070 Twin Fan is 1.683 GHz.

1.531 GHz Base Clock 1.506 GHz
1.645 GHz Boost Clock 1.683 GHz
Avg (Game) Clock
Yes Overclocking Yes

Thermal Design

The KFA2 GeForce GTX 1080 Ti EX OC has 1 x 6-Pin, 1 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 91 °C.

The ZOTAC GeForce GTX 1070 Twin Fan is equipped with a 2 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 94 °C.

250 W TDP 220 W
-- TDP (up) --
91 °C Tjunction max 94 °C
1 x 6-Pin, 1 x 8-Pin PCIe-Power 2 x 8-Pin

Cooler & Fans

The graphics processor and graphics memory of the KFA2 GeForce GTX 1080 Ti EX OC are cooled with a Air cooling.

The ZOTAC GeForce GTX 1070 Twin Fan is cooled by a Air cooling.

Axial Fan-Type Axial
2 x 90 mm Fan 1 2 x 100 mm
-- Fan 2 --
Air cooling Cooler-Type Air cooling
0 dB Noise (Idle) dB
-- Noise (Load) --

Connectivity

The KFA2 GeForce GTX 1080 Ti EX OC supports the downward compatible copy protection HDCP in version 2.2.

The ZOTAC GeForce GTX 1070 Twin Fan supports HDCP in version 2.2 and all previous versions.

4 Max. Displays 4
2.2 HDCP-Version 2.2
1x HDMI v2.0b HDMI Ports 1x HDMI v2.0b
3x DP v1.4 DP Ports 3x DP v1.4
-- DVI Ports 1
-- VGA Ports --
-- USB-C Ports --

Featureset

The KFA2 GeForce GTX 1080 Ti EX OC supports the DirectX standard from Microsoft in version 12_1.

The ZOTAC GeForce GTX 1070 Twin Fan supports Microsoft's DirectX version 12_1.

7680x4320 Max. resolution 7680x4320
12_1 DirectX 12_1
No Raytracing No
Yes DLSS / FSR Yes
No LED lighting LED No LED lighting

Supported Video Codecs

This area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load.

Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC Decode / Encode
No AV1 No
Decode VP8 Decode
Decode VP9 Decode

Dimensions

The KFA2 GeForce GTX 1080 Ti EX OC is 42 mm wide and therefore needs the space of 2 PCIe-Slots in the case.

The width of the ZOTAC GeForce GTX 1070 Twin Fan is 42 mm and thus requires the space of 2 PCIe-Slots in the PC case.

281 mm Length 300 mm
124 mm Height 148 mm
42 mm Width 44 mm
2 PCIe-Slots Width (Slots) 2 PCIe-Slots
-- Weight --
PCIe 3.0 x 16 GPU Interface PCIe 3.0 x 16

Additional data

Manufactured using the 16 nanometer process, KFA2 GeForce GTX 1080 Ti EX OC was released in Q1/2017.

The ZOTAC GeForce GTX 1070 Twin Fan published in Q4/2017 is manufactured with a structure width of 16 nanometers.

80IUJBMDP0EK Part-no ZT-P10700E-10S
Q1/2017 Release date Q4/2017
699 $ (Reference) Launch Price 379 $ (Reference)
16 nm Structure size 16 nm
data sheet Documents --

Rate these graphics cards now

Here you can rate the KFA2 GeForce GTX 1080 Ti EX OC to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
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Benchmark results

3DMark Benchmark (DirectX, Raytracing)

3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.

Time Spy Extreme Graphics score

Port Royal (Raytracing)

Battlefield 5

Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.

3840x2160 (2160p)

KFA2 GeForce GTX 1080 Ti EX OC KFA2 GeForce GTX 1080 Ti EX OC
11 GB GDDR5X
58 fps (avg)
ZOTAC GeForce GTX 1070 Twin Fan ZOTAC GeForce GTX 1070 Twin Fan
8 GB GDDR5
34 fps (avg)

2560x1440 (1440p)

KFA2 GeForce GTX 1080 Ti EX OC KFA2 GeForce GTX 1080 Ti EX OC
11 GB GDDR5X
108 fps (avg)
ZOTAC GeForce GTX 1070 Twin Fan ZOTAC GeForce GTX 1070 Twin Fan
8 GB GDDR5
65 fps (avg)

1920x1080 (1080p)

KFA2 GeForce GTX 1080 Ti EX OC KFA2 GeForce GTX 1080 Ti EX OC
11 GB GDDR5X
152 fps (avg)
ZOTAC GeForce GTX 1070 Twin Fan ZOTAC GeForce GTX 1070 Twin Fan
8 GB GDDR5
92 fps (avg)

Geekbench 6 (OpenCL, Vulkan, Metal)

Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.

Geekbench 6 - OpenCL

Geekbench 6 - Vulkan

FP32 Performance (Single-precision TFLOPS)

The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.

FP32 (TFLOPS)

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