Product Compare

NVIDIA GeForce GTX 980 vs NVIDIA RTX A4000

GPU GPU
Graphics Card
Release Date Sep 2014 Apr 2021
Generation GeForce 900 Quadro Ampere
Type Desktop Professional
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1127 MHz 735 MHz
Boost Clock 1216 MHz 1560 MHz
Memory Clock 1753 MHz 1750 MHz
Memory
Memory Size 4GB 16GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 256bit
Bandwidth 224.4GB/s 448.0GB/s
Render Config
Shading Units 2048 6144
TMUs 128 192
ROPs 64 96
L1 Cache 48 KB (per SMM) 128 KB (per SM)
L2 Cache 2 MB 4 MB
SM Count 48
Tensor Cores 192
RT Cores 48
Theoretical Performance
Pixel Rate 77.82 GPixel/s 149.8 GPixel/s
Texture Rate 155.6 GTexel/s 299.5 GTexel/s
FP32 (float) 4.981 TFLOPS 19.17 TFLOPS
FP64 (double) 155.6 GFLOPS 299.5 GFLOPS
FP16 (half) 19.17 TFLOPS
Graphics Processor
GPU Name GM204 GA104
GPU Variant GM204-400-A1 GA104-875-A1
Architecture Maxwell 2.0 Ampere
Foundry TSMC Samsung
Process Size 28 nm 8 nm
Transistors 5.2 billion 17.4 billion
Die Size 398 mm² 392 mm²
Board Design
TDP 165W 140W
Suggested PSU 450 W 300 W
Outputs 1x DVI1x HDMI 2.03x DisplayPort 1.4a 4x DisplayPort 1.4a
Power Connectors 2x 6-pin 1x 6-pin
Graphics Features
DirectX 12 (12_1) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.3 1.3
CUDA 5.2 8.6
Shader Model 6.4 6.7