Product Compare

NVIDIA GeForce GTX 980 vs AMD Radeon Instinct MI8

GPU GPU
Graphics Card
Release Date Sep 2014 Dec 2016
Generation GeForce 900 Radeon Instinct
Type Desktop Professional
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1127 MHz
Boost Clock 1216 MHz
Memory Clock 1753 MHz 500 MHz
Memory
Memory Size 4GB 4GB
Memory Type GDDR5 HBM
Memory Bus 256bit 4096bit
Bandwidth 224.4GB/s 512.0GB/s
Render Config
Shading Units 2048 4096
TMUs 128 256
ROPs 64 64
L1 Cache 48 KB (per SMM) 16 KB (per CU)
L2 Cache 2 MB 2 MB
Compute Units 64
Theoretical Performance
Pixel Rate 77.82 GPixel/s 64.00 GPixel/s
Texture Rate 155.6 GTexel/s 256.0 GTexel/s
FP32 (float) 4.981 TFLOPS 8.192 TFLOPS
FP64 (double) 155.6 GFLOPS 512.0 GFLOPS
FP16 (half) 8.192 TFLOPS
Graphics Processor
GPU Name GM204 Fiji
GPU Variant GM204-400-A1 Fiji XT CA(215-0862120)
Architecture Maxwell 2.0 GCN 3.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 5.2 billion 8.9 billion
Die Size 398 mm² 596 mm²
Board Design
TDP 165W 175W
Suggested PSU 450 W 450 W
Outputs 1x DVI1x HDMI 2.03x DisplayPort 1.4a No outputs
Power Connectors 2x 6-pin 1x 8-pin
Graphics Features
DirectX 12 (12_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 3.0 2.1
Vulkan 1.3 1.2.170
CUDA 5.2
Shader Model 6.4 6.5