GeForce RTX 4080 Ti vs Radeon HD 8870 OEM
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 Ti and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 Ti Advantages
Boost Clock2610MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (678.4GB/s vs 153.6GB/s)
12800 additional rendering cores
Radeon HD 8870 OEM Advantages
Lower TDP (175W vs 400W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080 Ti
+2771%
73500
Radeon HD 8870 OEM
2560
Graphics Card
Unknown
Release Date
Jan 2013
GeForce 40
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2340 MHz
Base Clock
-
2610 MHz
Boost Clock
-
1325 MHz
Memory Clock
1200 MHz
Memory
16GB
Memory Size
2GB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
256bit
678.4GB/s
Bandwidth
153.6GB/s
Render Config
-
Compute Units
20
110
SM Count
-
14080
Shading Units
1280
440
TMUs
80
144
ROPs
32
440
Tensor Cores
-
110
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
80 MB
L2 Cache
512 KB
Theoretical Performance
375.8 GPixel/s
Pixel Rate
32.00 GPixel/s
1148 GTexel/s
Texture Rate
80.00 GTexel/s
73.50 TFLOPS
FP16 (half)
-
73.50 TFLOPS
FP32 (float)
2.560 TFLOPS
1148 GFLOPS
FP64 (double)
160.0 GFLOPS
Board Design
400W
TDP
175W
800 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 16-pin
Power Connectors
2x 6-pin
Graphics Processor
AD102
GPU Name
Pitcairn
AD102-225-A1
GPU Variant
Pitcairn XT
(215-0828047)
(215-0828047)
Ada Lovelace
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
76.3 billion
Transistors
2.8 billion
609 mm²
Die Size
212 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
5.1