AMD Radeon RX 6600 vs NVIDIA GeForce GTX 980 Ti
GPU · Specs Compare
Graphics Card
Release Date
Oct 2021
Jun 2015
Generation
Navi II
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1626 MHz
1000 MHz
Boost Clock
2491 MHz
1076 MHz
Memory Clock
1750 MHz
1753 MHz
Memory
Memory Size
8GB
6GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
384bit
Bandwidth
224.0GB/s
336.6GB/s
Render Config
Compute Units
28
—
Shading Units
1792
2816
TMUs
112
176
ROPs
64
96
RT Cores
28
—
L1 Cache
128 KB per Array
48 KB (per SMM)
L2 Cache
2 MB
3 MB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
159.4 GPixel/s
103.3 GPixel/s
Texture Rate
279.0 GTexel/s
189.4 GTexel/s
FP16 (half)
17.86 TFLOPS
—
FP32 (float)
8.928 TFLOPS
6.060 TFLOPS
FP64 (double)
558.0 GFLOPS
189.4 GFLOPS
Graphics Processor
GPU Name
Navi 23
GM200
GPU Variant
Navi 23 XL(215-130000016)
GM200-310-A1
Architecture
RDNA 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
11.06 billion
8 billion
Die Size
237 mm²
601 mm²
Board Design
TDP
132W
250W
Suggested PSU
300 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 2.03x DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.4
Shader Model
6.5
6.8
CUDA
—
5.2
Benchmark
3DMark Time Spy
—
5,789
3DMark Time Spy Extreme
—
2,807
Shadow of the Tomb Raider 2160p
—
24
Shadow of the Tomb Raider 1440p
—
45
Shadow of the Tomb Raider 1080p
—
75
Blender
—
544
GTA 5 2160p
—
72
GTA 5 1440p
—
74
GTA 5 1080p
—
120
▲ Specs Compare
Data sourced from official specifications and benchmark tests.