AMD Radeon HD 7870 XT vs NVIDIA GeForce RTX 2080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Nov 2012
Jan 2019
Generation
Southern Islands
GeForce 20 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
925 MHz
1380 MHz
Boost Clock
975 MHz
1590 MHz
Memory Clock
1500 MHz
1750 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
192.0GB/s
448.0GB/s
Render Config
Compute Units
24
-
Shading Units
1536
2944
TMUs
96
184
ROPs
32
64
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
-
46
Tensor Cores
-
368
RT Cores
-
46
Theoretical Performance
Pixel Rate
31.20 GPixel/s
101.8 GPixel/s
Texture Rate
93.60 GTexel/s
292.6 GTexel/s
FP32 (float)
2.995 TFLOPS
9.362 TFLOPS
FP64 (double)
748.8 GFLOPS
292.6 GFLOPS
FP16 (half)
-
18.72 TFLOPS
Graphics Processor
GPU Name
Tahiti
TU104
GPU Variant
Tahiti LE(215-0821122)
N18E-G3-A1
Architecture
GCN 1.0
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
4.313 billion
13.6 billion
Die Size
352 mm²
545 mm²
Board Design
TDP
185W
150W
Suggested PSU
450 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-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