NVIDIA RTX A1000 Mobile 6 GB vs AMD Radeon HD 7870 XT
GPU Specs Compare
Graphics Card
Release Date
Mar 2022
Nov 2012
Generation
Quadro Ampere-M
Southern Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
652 MHz
925 MHz
Boost Clock
1140 MHz
975 MHz
Memory Clock
1375 MHz
1500 MHz
Memory
Memory Size
6GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
96bit
256bit
Bandwidth
132.0GB/s
192.0GB/s
Render Config
SM Count
20
-
Shading Units
2560
1536
TMUs
80
96
ROPs
32
32
Tensor Cores
80
-
RT Cores
20
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Compute Units
-
24
Theoretical Performance
Pixel Rate
36.48 GPixel/s
31.20 GPixel/s
Texture Rate
91.20 GTexel/s
93.60 GTexel/s
FP16 (half)
5.837 TFLOPS
-
FP32 (float)
5.837 TFLOPS
2.995 TFLOPS
FP64 (double)
91.20 GFLOPS
748.8 GFLOPS
Graphics Processor
GPU Name
GA107
Tahiti
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
8.7 billion
4.313 billion
Die Size
200 mm²
352 mm²
GPU Variant
-
Tahiti LE(215-0821122)
Board Design
TDP
60W
185W
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
6.7
5.1