NVIDIA RTX A4 Mobile vs AMD Radeon HD 7850
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Mar 2012
Generation
Quadro Ampere-M
Southern Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1297 MHz
-
Boost Clock
1770 MHz
-
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
153.6GB/s
Render Config
SM Count
16
-
Shading Units
2048
1024
TMUs
64
64
ROPs
32
32
Tensor Cores
64
-
RT Cores
16
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Compute Units
-
16
Theoretical Performance
Pixel Rate
56.64 GPixel/s
27.52 GPixel/s
Texture Rate
113.3 GTexel/s
55.04 GTexel/s
FP16 (half)
7.250 TFLOPS
-
FP32 (float)
7.250 TFLOPS
1.761 TFLOPS
FP64 (double)
113.3 GFLOPS
110.1 GFLOPS
Graphics Processor
GPU Name
GA107
Pitcairn
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
8.7 billion
2.8 billion
Die Size
200 mm²
212 mm²
GPU Variant
-
Pitcairn PRO(215-0828062)
Board Design
TDP
Unknown
130W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
-
300 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
📊 Benchmark
3DMark Time Spy
-
1,334
3DMark Time Spy Extreme
-
325