AMD Radeon HD 6850 X2 vs NVIDIA GeForce RTX 3080
GPU Specs Compare
Graphics Card
Release Date
Sep 2011
Sep 2020
Generation
Northern Islands
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 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
134.4GB/s
760.3GB/s
Render Config
Compute Units
12
-
Shading Units
960
8704
TMUs
48
272
ROPs
32
96
L1 Cache
8 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
25.60 GPixel/s
164.2 GPixel/s
Texture Rate
38.40 GTexel/s
465.1 GTexel/s
FP32 (float)
1.536 TFLOPS
29.77 TFLOPS
FP16 (half)
-
29.77 TFLOPS
FP64 (double)
-
465.1 GFLOPS
Graphics Processor
GPU Name
Barts
GA102
GPU Variant
Barts PRO(215-0798006)
GA102-200-KD-A1
Architecture
TeraScale 2
Ampere
Foundry
TSMC
Samsung
Process Size
40 nm
8 nm
Transistors
1.7 billion
28.3 billion
Die Size
255 mm²
628 mm²
Board Design
TDP
254W
320W
Suggested PSU
600 W
700 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 12-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.6
CUDA
-
8.6
📊 Benchmark
3DMark Time Spy
-
17,662
3DMark Time Spy Extreme
-
8,879