AMD Radeon HD 7850 vs NVIDIA RTX 4000 SFF Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Nov 2018
Generation
Southern Islands
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1200 MHz
1000 MHz
Base Clock
-
1200 MHz
Boost Clock
-
1746 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
4096bit
Bandwidth
153.6GB/s
1.02TB/s
Render Config
Compute Units
16
60
Shading Units
1024
3840
TMUs
64
240
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
SM Count
-
48
Tensor Cores
-
192
RT Cores
-
48
Theoretical Performance
Pixel Rate
27.52 GPixel/s
111.7 GPixel/s
Texture Rate
55.04 GTexel/s
419.0 GTexel/s
FP32 (float)
1.761 TFLOPS
13.41 TFLOPS
FP64 (double)
110.1 GFLOPS
6.705 TFLOPS
FP16 (half)
-
26.82 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Vega 20
GPU Variant
Pitcairn PRO(215-0828062)
Vega 20 GLXT
Architecture
GCN 1.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.8 billion
13.23 billion
Die Size
212 mm²
331 mm²
Board Design
TDP
130W
300W
Suggested PSU
300 W
700 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x mini-DisplayPort 1.4a
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.7
CUDA
-
8.9
📊 Benchmark
3DMark Time Spy
1,334
-
3DMark Time Spy Extreme
325
-