Product Compare

NVIDIA GeForce RTX 3080 Ti vs AMD Radeon HD 7950 Mac Edition

GPU GPU
Graphics Card
Release Date May 2021 Mar 2013
Generation GeForce 30 Southern Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1365 MHz
Boost Clock 1665 MHz
Memory Clock 1188 MHz 1250 MHz
Memory
Memory Size 12GB 3GB
Memory Type GDDR6X GDDR5
Memory Bus 384bit 384bit
Bandwidth 912.4GB/s 240.0GB/s
Render Config
SM Count 80
Shading Units 10240 1792
TMUs 320 112
ROPs 112 32
Tensor Cores 320
RT Cores 80
L1 Cache 128 KB (per SM) 16 KB (per CU)
L2 Cache 6 MB 768 KB
Compute Units 28
Theoretical Performance
Pixel Rate 186.5 GPixel/s 25.60 GPixel/s
Texture Rate 532.8 GTexel/s 89.60 GTexel/s
FP16 (half) 34.10 TFLOPS
FP32 (float) 34.10 TFLOPS 2.867 TFLOPS
FP64 (double) 532.8 GFLOPS 716.8 GFLOPS
Graphics Processor
GPU Name GA102 Tahiti
GPU Variant GA102-225-A1 Tahiti PRO(215-0821056)
Architecture Ampere GCN 1.0
Foundry Samsung TSMC
Process Size 8 nm 28 nm
Transistors 28.3 billion 4.313 billion
Die Size 628 mm² 352 mm²
Board Design
TDP 350W 200W
Suggested PSU 750 W 550 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 12-pin 2x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 3.0 1.2
Vulkan 1.3 1.2
CUDA 8.6
Shader Model 6.6 5.1