NVIDIA GeForce RTX 3080 Ti vs AMD Radeon HD 6850
GPU · Specs Compare
Graphics Card
Release Date
May 2021
Oct 2010
Generation
GeForce 30
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1365 MHz
—
Boost Clock
1665 MHz
—
Memory Clock
1188 MHz
1000 MHz
Memory
Memory Size
12GB
1024MB
Memory Type
GDDR6X
GDDR5
Memory Bus
384bit
256bit
Bandwidth
912.4GB/s
128.0GB/s
Render Config
SM Count
80
—
Shading Units
10240
960
TMUs
320
48
ROPs
112
32
Tensor Cores
320
—
RT Cores
80
—
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
6 MB
512 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
186.5 GPixel/s
24.80 GPixel/s
Texture Rate
532.8 GTexel/s
37.20 GTexel/s
FP16 (half)
34.10 TFLOPS
—
FP32 (float)
34.10 TFLOPS
1488 GFLOPS
FP64 (double)
532.8 GFLOPS
—
Graphics Processor
GPU Name
GA102
Barts
GPU Variant
GA102-225-A1
Barts PRO(215-0798006)
Architecture
Ampere
TeraScale 2
Foundry
Samsung
TSMC
Process Size
8 nm
40 nm
Transistors
28.3 billion
1.7 billion
Die Size
628 mm²
255 mm²
Board Design
TDP
350W
127W
Suggested PSU
750 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
1x 12-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
8.6
—
Shader Model
6.6
5.0
Benchmark
3DMark Time Spy
19,629
—
3DMark Time Spy Extreme
10,032
—
3DMark Speed Way
5,330
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.