GPU comparison with benchmarks

KFA2 GeForce GTX 980 vs XFX Radeon RX Vega 64 Black Fan

KFA2 GeForce GTX 980 4 GB GDDR5 · 1.22 GHz · 165 W Speed index 4/100

XFX Radeon RX Vega 64 Black Fan 8 GB HBM2 · 1.55 GHz · 295 W Speed index 10/100

In the gpu comparison between the KFA2 GeForce GTX 980 and the XFX Radeon RX Vega 64 Black Fan, we compare both the technical data and the benchmark results of the two graphics cards.

Quick comparison

In FP32 performance, the XFX Radeon RX Vega 64 Black Fan is 154 % faster than the KFA2 GeForce GTX 980.

KFA2 GeForce GTX 980XFX Radeon RX Vega 64 Black Fan

Speed index

4/100

10/100

FP32

4.98 TFLOPS

12.66 TFLOPS

Boost Clock

1.22 GHz

1.55 GHz

Memory Size

4 GB GDDR5

8 GB HBM2

Memory bandwidth

224 GB/s

484 GB/s

TDP

165 W

295 W

Launch Price

499 $

MonkeyBench 2026.3

111 pts

Technical details

KFA2 GeForce GTX 980 XFX Radeon RX Vega 64 Black Fan

GPU

GPU	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
Based on	NVIDIA GeForce GTX 980	AMD RX Vega 64
GPU Chip	GM204-400-A1	Vega 10 XT
Streaming Multiprocessors	16	64
Shader	2048	4096
Render Output Units	64	64
Texture Units	128	256

More information

The KFA2 GeForce GTX 980 is based on the NVIDIA GeForce GTX 980 and has 2048 texture shaders and 16 execution units.

XFX Radeon RX Vega 64 Black Fan is based on AMD RX Vega 64, which has 4096 shaders and 64 execution units.

Memory

Memory	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
Memory Size	4 GB	8 GB
Memory Type	GDDR5	HBM2
Memory Clock	1.753 GHz	0.945 GHz
Memory Speed	7.0 Gbps	1.9 Gbps
Memory bandwidth	224 GB/s	484 GB/s
Memory Interface	256 bit	2,048 bit

More information

The KFA2 GeForce GTX 980 has 4 GB of graphics memory of the type GDDR5 and achieves a memory bandwidth of 224 GB/s.

The XFX Radeon RX Vega 64 Black Fan can access 8 GB HBM2 graphics memory and thus achieves a memory bandwidth of 484 GB/s.

Clock Speeds

Clock Speeds	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
Base Clock	1.126 GHz	1.247 GHz
Boost Clock	1.216 GHz	1.546 GHz
Overclocking	Yes	Yes

More information

The KFA2 GeForce GTX 980 clocks in the base with up to 1.126 GHz. The base frequency of the XFX Radeon RX Vega 64 Black Fan is 1.247 GHz.

Thermal Design

Thermal Design	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
TDP	165 W	295 W
Tjunction max	98 °C	100 °C
PCIe-Power	2 x 6-Pin	2 x 8-Pin

More information

The TDP (Thermal Design Power) of the KFA2 GeForce GTX 980 is 165 W. The graphics card is supplied with energy via the 2 x 6-Pin connector.

The XFX Radeon RX Vega 64 Black Fan has a TDP of 295 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors.

Cooler & Fans

Cooler & Fans	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
Fan-Type	Radial	Radial
Fan 1	1 x 65 mm	1 x 70 mm
Cooler-Type	Air cooling	Air cooling
Noise (Idle)	0 dB	--

More information

The KFA2 GeForce GTX 980 has a total of 1 Radial fans.

The XFX Radeon RX Vega 64 Black Fan has 1 Radial fans to cool the GPU and memory.

Connectivity

Connectivity	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
Max. Displays	4	4
HDCP	2.2	2.2
HDMI	1x HDMI 2.0	1x HDMI 2.0b
DisplayPort	3x DP 1.2	3x DP 1.4
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 KFA2 GeForce GTX 980.

The XFX Radeon RX Vega 64 Black Fan supports a maximum of 4 screens.

Featureset

Featureset	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
Max. resolution	4096x2160	7680x4320
DirectX	12_1	12_1
Raytracing	No	No
DLSS / FSR	No	Yes
LED	No LED lighting	No LED lighting

More information

The KFA2 GeForce GTX 980 supports a maximum resolution of 4096x2160 pixels.

The maximum resolution of the XFX Radeon RX Vega 64 Black Fan is 7680x4320 pixels.

Supported Video Codecs

Supported Video Codecs	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
h264	Decode / Encode	Decode / Encode
h265 / HEVC	No	Decode / Encode
VP8	Decode	Decode
VP9	No	Decode / Encode
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	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
Length	281 mm	280 mm
Height	124 mm	127 mm
Width	41 mm	40 mm
Width (Slots)	2 Slots	2 Slots
SFF-Ready	No	No

More information

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

The XFX Radeon RX Vega 64 Black Fan is 280 mm long, 127 mm high and 40 mm wide.

Additional data

Additional data	KFA2 GeForce GTX 980	XFX Radeon RX Vega 64 Black Fan
GPU Interface	PCIe 3 x 16	PCIe 3.0 x 16
Release date	Q4/2014	Q3/2017
Launch Price	499 $	499 $
Structure size	28 nm	14 nm
Part-no	98NQH6DHC8XX	RX-VEGMTBFX6

More information

The KFA2 GeForce GTX 980 was released in Q4/2014 at a price of 499 $.

The XFX Radeon RX Vega 64 Black Fan was introduced in Q3/2017 at a price of 499 $.

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 XFX Radeon RX Vega 64 Black Fan +90.7 %

KFA2 GeForce GTX 9804 GB GDDR5
1,842
XFX Radeon RX Vega 64 Black Fan8 GB HBM2
3,513

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

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.

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 XFX Radeon RX Vega 64 Black Fan +109.2 %

KFA2 GeForce GTX 9804 GB GDDR5
32,043
XFX Radeon RX Vega 64 Black Fan8 GB HBM2
67,049

Geekbench 6 - Vulkan XFX Radeon RX Vega 64 Black Fan +88.9 %

KFA2 GeForce GTX 9804 GB GDDR5
38,621
XFX Radeon RX Vega 64 Black Fan8 GB HBM2
72,946

Geekbench 6 - Metal

KFA2 GeForce GTX 9804 GB GDDR5
no data
XFX Radeon RX Vega 64 Black Fan8 GB HBM2
76,720

View all Geekbench 6 (OpenCL, Vulkan, Metal) benchmark results

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.