AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 980
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Sep 2014
Generation
Navi II
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2075 MHz
1127 MHz
Boost Clock
2435 MHz
1216 MHz
Memory Clock
2250 MHz
1753 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
224.4GB/s
Render Config
Compute Units
80
—
Shading Units
5120
2048
TMUs
320
128
ROPs
128
64
RT Cores
80
—
L1 Cache
128 KB per Array
48 KB (per SMM)
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
311.7 GPixel/s
77.82 GPixel/s
Texture Rate
779.2 GTexel/s
155.6 GTexel/s
FP16 (half)
49.87 TFLOPS
—
FP32 (float)
24.93 TFLOPS
4.981 TFLOPS
FP64 (double)
1.558 TFLOPS
155.6 GFLOPS
Graphics Processor
GPU Name
Navi 21
GM204
GPU Variant
Navi 21 XTXH(215-121000247)
GM204-400-A1
Architecture
RDNA 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
5.2 billion
Die Size
520 mm²
398 mm²
Board Design
TDP
330W
165W
Suggested PSU
700 W
450 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.4
CUDA
—
5.2
▲ Specs Compare
Data sourced from official specifications and benchmark tests.