GPU comparison with benchmarks

AMD Radeon R9 Nano vs KFA2 GeForce GTX 980 Ti OC

AMD Radeon R9 Nano 4 GB HBM · 1.00 GHz · 175 W Speed index 7/100

KFA2 GeForce GTX 980 Ti OC 6 GB GDDR5 · 1.11 GHz · 250 W Speed index 5/100

In the gpu comparison between the AMD Radeon R9 Nano and the KFA2 GeForce GTX 980 Ti OC, we compare both the technical data and the benchmark results of the two graphics cards.

Quick comparison

In FP32 performance, the AMD Radeon R9 Nano is 31 % faster than the KFA2 GeForce GTX 980 Ti OC.

AMD Radeon R9 NanoKFA2 GeForce GTX 980 Ti OC

Speed index

7/100

5/100

FP32

8.19 TFLOPS

6.27 TFLOPS

Boost Clock

1.00 GHz

1.11 GHz

Memory Size

4 GB HBM

6 GB GDDR5

Memory bandwidth

512 GB/s

337 GB/s

TDP

175 W

250 W

Launch Price

649 $

MonkeyBench 2026.3

159 pts

Technical details

AMD Radeon R9 Nano KFA2 GeForce GTX 980 Ti OC

GPU

GPU	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
Based on	AMD Radeon R9 Nano	NVIDIA GeForce GTX 980 Ti
GPU Chip	Fiji XT CA	GM200-310-A1
Streaming Multiprocessors	64	22
Shader	4096	2816
Render Output Units	64	96
Texture Units	256	176

More information

The AMD Radeon R9 Nano is based on the AMD Radeon R9 Nano and has 4096 texture shaders and 64 execution units.

KFA2 GeForce GTX 980 Ti OC is based on NVIDIA GeForce GTX 980 Ti, which has 2816 shaders and 22 execution units.

Memory

Memory	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
Memory Size	4 GB	6 GB
Memory Type	HBM	GDDR5
Memory Clock	0.500 GHz	1.753 GHz
Memory Speed	1.0 Gbps	7.0 Gbps
Memory bandwidth	512 GB/s	337 GB/s
Memory Interface	4,096 bit	384 bit

More information

The AMD Radeon R9 Nano has 4 GB of graphics memory of the type HBM and achieves a memory bandwidth of 512 GB/s.

The KFA2 GeForce GTX 980 Ti OC can access 6 GB GDDR5 graphics memory and thus achieves a memory bandwidth of 337 GB/s.

Clock Speeds

Clock Speeds	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
Base Clock	1.000 GHz	1.025 GHz
Boost Clock	1.000 GHz	1.114 GHz
Overclocking	Yes	Yes

More information

The AMD Radeon R9 Nano clocks in the base with up to 1.000 GHz. The base frequency of the KFA2 GeForce GTX 980 Ti OC is 1.025 GHz.

Thermal Design

Thermal Design	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
TDP	175 W	250 W
Tjunction max	85 °C	91 °C
PCIe-Power	1 x 8-Pin	1 x 6-Pin, 1 x 8-Pin

More information

The TDP (Thermal Design Power) of the AMD Radeon R9 Nano is 175 W. The graphics card is supplied with energy via the 1 x 8-Pin connector.

The KFA2 GeForce GTX 980 Ti OC has a TDP of 250 W and is supplied with the required energy via 1 x 6-Pin, 1 x 8-Pin PCIe power connectors.

Cooler & Fans

Cooler & Fans	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
Fan-Type	Axial (Radiator)	Axial
Fan 1	1 x 90 mm	3 x 80 mm
Cooler-Type	Air cooling	Air cooling
Noise (Idle)	--	0 dB

More information

The AMD Radeon R9 Nano has a total of 1 Axial (Radiator) fans.

The KFA2 GeForce GTX 980 Ti OC has 3 Axial fans to cool the GPU and memory.

Connectivity

Connectivity	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
Max. Displays	4	4
HDCP	--	2.2
HDMI	1x HDMI 1.4a	1x HDMI 2.0
DisplayPort	3x DP 1.2	3x DP 1.2
DVI	--	1

More information

In the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the AMD Radeon R9 Nano.

The KFA2 GeForce GTX 980 Ti OC supports a maximum of 4 screens.

Featureset

Featureset	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
Max. resolution	4096x2160	4096x2160
DirectX	12_0	12_1
Raytracing	No	No
DLSS / FSR	No	No
LED	No LED lighting	No LED lighting

More information

The AMD Radeon R9 Nano supports a maximum resolution of 4096x2160 pixels.

The maximum resolution of the KFA2 GeForce GTX 980 Ti OC is 4096x2160 pixels.

Supported Video Codecs

Supported Video Codecs	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
h264	Decode / Encode	Decode / Encode
h265 / HEVC	Decode	No
VP8	No	Decode
VP9	No	No
AV1	No	No

More information

The support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos.

Dimensions

Dimensions	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
Length	154 mm	281 mm
Height	112 mm	124 mm
Width	40 mm	41 mm
Width (Slots)	2 Slots	2 Slots
SFF-Ready	No	No

More information

The AMD Radeon R9 Nano is 154 mm long, 112 mm high and 40 mm wide.

The KFA2 GeForce GTX 980 Ti OC is 281 mm long, 124 mm high and 41 mm wide.

Additional data

Additional data	AMD Radeon R9 Nano	KFA2 GeForce GTX 980 Ti OC
GPU Interface	PCIe 3.0 x 16	PCIe 3 x 16
Release date	Q3/2015	Q3/2015
Launch Price	649 $	649 $
Structure size	28 nm	28 nm
Part-no	--	98IRH5DH9WGT

More information

The AMD Radeon R9 Nano was released in Q3/2015 at a price of 649 $.

The KFA2 GeForce GTX 980 Ti OC was introduced in Q3/2015 at a price of 649 $.

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 KFA2 GeForce GTX 980 Ti OC +11.1 %

AMD Radeon R9 Nano4 GB HBM
2,199
KFA2 GeForce GTX 980 Ti OC6 GB GDDR5
2,443

View all 3DMark Benchmark (DirectX, Raytracing) benchmark results

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.

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.