AMD Radeon HD 8870 OEM vs NVIDIA TITAN RTX
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Dec 2018
Generation
Sea Islands
GeForce 20
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1750 MHz
Base Clock
—
1350 MHz
Boost Clock
—
1770 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
384bit
Bandwidth
153.6GB/s
672.0GB/s
Render Config
Compute Units
20
—
Shading Units
1280
4608
TMUs
80
288
ROPs
32
96
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
6 MB
SM Count
—
72
Tensor Cores
—
576
RT Cores
—
72
Theoretical Performance
Pixel Rate
32.00 GPixel/s
169.9 GPixel/s
Texture Rate
80.00 GTexel/s
509.8 GTexel/s
FP32 (float)
2.560 TFLOPS
16.31 TFLOPS
FP64 (double)
160.0 GFLOPS
509.8 GFLOPS
FP16 (half)
—
32.62 TFLOPS
Graphics Processor
GPU Name
Pitcairn
TU102
GPU Variant
Pitcairn XT(215-0828047)
TU102-400-A1
Architecture
GCN 1.0
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
2.8 billion
18.6 billion
Die Size
212 mm²
754 mm²
Board Design
TDP
175W
280W
Suggested PSU
450 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.6
CUDA
—
7.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.