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GPU Comparison
NVIDIA GeForce RTX 4090 Mobile vs ATI Mobility Radeon HD 4870 X2
NVIDIA GeForce RTX 4090 Mobile vs ATI Mobility Radeon HD 4870 X2
VS
NVIDIA GeForce RTX 4090 Mobile
ATI Mobility Radeon HD 4870 X2
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 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 4090 Mobile 's Advantages
Released 14 years late
Boost Clock1695MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (576.0GB/s vs 89.60GB/s)
8928 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Mobile
+3647%
32.98 TFLOPS
Mobility Radeon HD 4870 X2
0.88 TFLOPS
GeForce RTX 4090 Mobile
VS
Mobility Radeon HD 4870 X2
Graphics Card
Jan 2023
Release Date
Jan 2009
GeForce 40 Mobile
Generation
M9x
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1335 MHz
Base Clock
-
1695 MHz
Boost Clock
-
2250 MHz
Memory Clock
700 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
576.0GB/s
Bandwidth
89.60GB/s
Render Config
76
SM Count
-
-
Compute Units
10
9728
Shading Units
800
304
TMUs
40
112
ROPs
16
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
256 KB
Theoretical Performance
189.8 GPixel/s
Pixel Rate
8.800 GPixel/s
515.3 GTexel/s
Texture Rate
22.00 GTexel/s
32.98 TFLOPS
FP16 (half)
-
32.98 TFLOPS
FP32 (float)
880.0 GFLOPS
515.3 GFLOPS
FP64 (double)
176.0 GFLOPS
Graphics Processor
AD103
GPU Name
M98
GN21-X11
GPU Variant
M98 XT L2 (216-0732023)
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
4 nm
Process Size
55 nm
45.9 billion
Transistors
0.956 billion
379 mm²
Die Size
256 mm²
Board Design
120W
TDP
Unknown
-
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
None
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
8.9
CUDA
-
6.7
Shader Model
4.1
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