NVIDIA GeForce RTX 3080 Mobile vs ATI Mobility Radeon HD 4870 X2
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 1024MB VRAM Mobility Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 Mobile 's Advantages
Released 12 years late
Boost Clock1545MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (448.0GB/s vs 89.60GB/s)
5344 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Mobile
+2056%
18.98 TFLOPS
Mobility Radeon HD 4870 X2
0.88 TFLOPS
Graphics Card
Jan 2021
Release Date
Jan 2009
GeForce 30 Mobile
Generation
M9x
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1110 MHz
Base Clock
-
1545 MHz
Boost Clock
-
1750 MHz
Memory Clock
700 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
89.60GB/s
Render Config
-
Compute Units
10
48
SM Count
-
6144
Shading Units
800
192
TMUs
40
96
ROPs
16
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
148.3 GPixel/s
Pixel Rate
8.800 GPixel/s
296.6 GTexel/s
Texture Rate
22.00 GTexel/s
18.98 TFLOPS
FP16 (half)
-
18.98 TFLOPS
FP32 (float)
880.0 GFLOPS
296.6 GFLOPS
FP64 (double)
176.0 GFLOPS
Board Design
115W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
GA104
GPU Name
M98
GA104-775-A1
GPU Variant
M98 XT L2
(216-0732023)
Ampere
Architecture
TeraScale
Samsung
Foundry
TSMC
8 nm
Process Size
55 nm
17.4 billion
Transistors
0.956 billion
392 mm²
Die Size
256 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
4.1
