NVIDIA RTX A3000 Mobile 12 GB vs AMD Radeon HD 7870 GHz Edition
GPU · Specs Compare
Graphics Card
Release Date
Mar 2022
Mar 2012
Generation
Ampere-MW
Southern Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
855 MHz
—
Boost Clock
1440 MHz
—
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
336.0GB/s
153.6GB/s
Render Config
SM Count
32
—
Shading Units
4096
1280
TMUs
128
80
ROPs
64
32
Tensor Cores
128
—
RT Cores
32
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
92.16 GPixel/s
32.00 GPixel/s
Texture Rate
184.3 GTexel/s
80.00 GTexel/s
FP16 (half)
11.80 TFLOPS
—
FP32 (float)
11.80 TFLOPS
2.560 TFLOPS
FP64 (double)
184.3 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
GA104
Pitcairn
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
17.4 billion
2.8 billion
Die Size
392 mm²
212 mm²
GPU Variant
—
Pitcairn XT(215-0828047)
Board Design
TDP
115W
175W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
8.6
—
Shader Model
6.8
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.