AMD Radeon HD 7790 vs NVIDIA RTX A4 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2013
Apr 2021
Generation
Southern Islands
Quadro Ampere-M
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1500 MHz
1750 MHz
Base Clock
—
1297 MHz
Boost Clock
—
1770 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
128bit
128bit
Bandwidth
96.00GB/s
224.0GB/s
Render Config
Compute Units
14
—
Shading Units
896
2048
TMUs
56
64
ROPs
16
32
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
2 MB
SM Count
—
16
Tensor Cores
—
64
RT Cores
—
16
Theoretical Performance
Pixel Rate
16.00 GPixel/s
56.64 GPixel/s
Texture Rate
56.00 GTexel/s
113.3 GTexel/s
FP32 (float)
1.792 TFLOPS
7.250 TFLOPS
FP64 (double)
112.0 GFLOPS
113.3 GFLOPS
FP16 (half)
—
7.250 TFLOPS
Graphics Processor
GPU Name
Bonaire
GA107
GPU Variant
Bonaire XT(215-0839039)
—
Architecture
GCN 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
2.08 billion
8.7 billion
Die Size
160 mm²
200 mm²
Board Design
TDP
85W
Unknown
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
6.7
CUDA
—
8.6
Benchmark
3DMark Time Spy
1,307
—
3DMark Time Spy Extreme
409
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.