NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon HD 7790
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Mar 2013
Generation
GeForce 40 Mobile
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1335 MHz
-
Boost Clock
1695 MHz
-
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
576.0GB/s
96.00GB/s
Render Config
SM Count
76
-
Shading Units
9728
896
TMUs
304
56
ROPs
112
16
Tensor Cores
304
-
RT Cores
76
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
256 KB
Compute Units
-
14
Theoretical Performance
Pixel Rate
189.8 GPixel/s
16.00 GPixel/s
Texture Rate
515.3 GTexel/s
56.00 GTexel/s
FP16 (half)
32.98 TFLOPS
-
FP32 (float)
32.98 TFLOPS
1.792 TFLOPS
FP64 (double)
515.3 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
AD103
Bonaire
GPU Variant
GN21-X11
Bonaire XT(215-0839039)
Architecture
Ada Lovelace
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.9 billion
2.08 billion
Die Size
379 mm²
160 mm²
Board Design
TDP
120W
85W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
-
250 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.9
-
Shader Model
6.8
6.3
📊 Benchmark
3DMark Time Spy
-
1,307
3DMark Time Spy Extreme
-
409