AMD Radeon HD 8770 OEM vs NVIDIA GeForce RTX 4090 Mobile
GPU Specs Compare
Graphics Card
Release Date
Sep 2013
Jan 2023
Generation
Sea Islands
GeForce 40 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1500 MHz
2250 MHz
Base Clock
-
1335 MHz
Boost Clock
-
1695 MHz
Memory
Memory Size
1024MB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
576.0GB/s
Render Config
Compute Units
14
-
Shading Units
896
9728
TMUs
56
304
ROPs
16
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
64 MB
SM Count
-
76
Tensor Cores
-
304
RT Cores
-
76
Theoretical Performance
Pixel Rate
16.80 GPixel/s
189.8 GPixel/s
Texture Rate
58.80 GTexel/s
515.3 GTexel/s
FP32 (float)
1.882 TFLOPS
32.98 TFLOPS
FP64 (double)
117.6 GFLOPS
515.3 GFLOPS
FP16 (half)
-
32.98 TFLOPS
Graphics Processor
GPU Name
Bonaire
AD103
GPU Variant
Bonaire XT(215-0839039)
GN21-X11
Architecture
GCN 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.08 billion
45.9 billion
Die Size
160 mm²
379 mm²
Board Design
TDP
85W
120W
Suggested PSU
250 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.8
CUDA
-
8.9