The KFA2 GeForce GTX 1070 Ti EX has the GP104-300-A1 graphics chip installed, which is based on the Pascal architecture.
The ZOTAC GeForce GTX 980 Ti is based on the graphics chip GM200-310-A1, which comes from the Maxwell 2.0 architecture.
Memory
Memory
KFA2 GeForce GTX 1070 Ti EX
ZOTAC GeForce GTX 980 Ti
Memory Size
8 GB
6 GB
Memory Type
GDDR5
GDDR5
Memory Clock
2.002 GHz
1.753 GHz
Memory Speed
8.0 Gbps
7.0 Gbps
Memory bandwidth
256 GB/s
337 GB/s
Memory Interface
256 bit
384 bit
More information
The graphics memory of the KFA2 GeForce GTX 1070 Ti EX clocks at 2.002 GHz, which corresponds to a speed of 8.0 Gbps.
The graphics memory speed of the ZOTAC GeForce GTX 980 Ti is 7.0 Gbps and the clock speed is 1.753 GHz.
Clock Speeds
Clock Speeds
KFA2 GeForce GTX 1070 Ti EX
ZOTAC GeForce GTX 980 Ti
Base Clock
1.607 GHz
1.000 GHz
Boost Clock
1.683 GHz
1.076 GHz
Overclocking
Yes
Yes
More information
The clock frequency of a graphics card determines the speed in connection with the graphics architecture.
Thermal Design
Thermal Design
KFA2 GeForce GTX 1070 Ti EX
ZOTAC GeForce GTX 980 Ti
TDP
180 W
250 W
Tjunction max
94 °C
91 °C
PCIe-Power
1 x 6-Pin, 1 x 8-Pin
1 x 6-Pin, 1 x 8-Pin
More information
The KFA2 GeForce GTX 1070 Ti EX is powered by 1 x 6-Pin, 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 180 W.
The ZOTAC GeForce GTX 980 Ti has 1 x 6-Pin, 1 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 250 W.
Cooler & Fans
Cooler & Fans
KFA2 GeForce GTX 1070 Ti EX
ZOTAC GeForce GTX 980 Ti
Fan-Type
Axial
Radial
Fan 1
2 x 100 mm
1 x 65 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
--
0 dB
More information
The KFA2 GeForce GTX 1070 Ti EX is equipped with a total of 2 Axial main fans.
The ZOTAC GeForce GTX 980 Ti has 1 Radial main fans that cool the GPU and memory.
Connectivity
Connectivity
KFA2 GeForce GTX 1070 Ti EX
ZOTAC GeForce GTX 980 Ti
Max. Displays
4
4
HDCP
2.2
2.2
HDMI
1x HDMI 2.0b
1x HDMI 2.0
DisplayPort
3x DP 1.4
3x DP 1.2
DVI
1
1
More information
Up to 4 screens can be operated with the KFA2 GeForce GTX 1070 Ti EX.
The ZOTAC GeForce GTX 980 Ti supports the operation of a maximum of 4 monitors.
Featureset
Featureset
KFA2 GeForce GTX 1070 Ti EX
ZOTAC GeForce GTX 980 Ti
Max. resolution
7680x4320
4096x2160
DirectX
12_1
12_1
Raytracing
No
No
DLSS / FSR
Yes
No
LED
No LED lighting
No LED lighting
More information
With the KFA2 GeForce GTX 1070 Ti EX it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the ZOTAC GeForce GTX 980 Ti is 4096x2160 pixels.
Supported Video Codecs
Supported Video Codecs
KFA2 GeForce GTX 1070 Ti EX
ZOTAC GeForce GTX 980 Ti
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
No
VP8
Decode
Decode
VP9
Decode
No
AV1
No
No
More information
The support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card.
Dimensions
Dimensions
KFA2 GeForce GTX 1070 Ti EX
ZOTAC GeForce GTX 980 Ti
Length
296 mm
267 mm
Height
144 mm
111 mm
Width
43 mm
38 mm
Width (Slots)
2 Slots
2 Slots
SFF-Ready
No
No
More information
The KFA2 GeForce GTX 1070 Ti EX is connected to the system via PCIe 3.0 x 16 lanes and requires 2 PCIe-Slots space in the housing.
The ZOTAC GeForce GTX 980 Ti needs the space of 2 PCIe-Slots in the case and has a PCIe 3 x 16 Lanes interface.
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 KFA2 GeForce GTX 1070 Ti EX +30.1 %
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 KFA2 GeForce GTX 1070 Ti EX +35.4 %
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.
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