AMD Radeon HD 7850 vs NVIDIA GeForce RTX 3080
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Sep 2020
Generation
Southern Islands
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1200 MHz
1188 MHz
Base Clock
-
1440 MHz
Boost Clock
-
1710 MHz
Memory
Memory Size
2GB
10GB
Memory Type
GDDR5
GDDR6X
Memory Bus
256bit
320bit
Bandwidth
153.6GB/s
760.3GB/s
Render Config
Compute Units
16
-
Shading Units
1024
8704
TMUs
64
272
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
5 MB
SM Count
-
68
Tensor Cores
-
272
RT Cores
-
68
Theoretical Performance
Pixel Rate
27.52 GPixel/s
164.2 GPixel/s
Texture Rate
55.04 GTexel/s
465.1 GTexel/s
FP32 (float)
1.761 TFLOPS
29.77 TFLOPS
FP64 (double)
110.1 GFLOPS
465.1 GFLOPS
FP16 (half)
-
29.77 TFLOPS
Graphics Processor
GPU Name
Pitcairn
GA102
GPU Variant
Pitcairn PRO(215-0828062)
GA102-200-KD-A1
Architecture
GCN 1.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
2.8 billion
28.3 billion
Die Size
212 mm²
628 mm²
Board Design
TDP
130W
320W
Suggested PSU
300 W
700 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 12-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.6
CUDA
-
8.6
📊 Benchmark
3DMark Time Spy
1,334
17,662
3DMark Time Spy Extreme
325
8,879