GeForce RTX 2080 Ti 12 GB vs Radeon HD 6850 X2
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 2080 Ti 12 GB and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 2080 Ti 12 GB Advantages
Boost Clock1635MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (768.0GB/s vs 134.4GB/s)
3648 additional rendering cores
Lower TDP (250W vs 254W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080 Ti 12 GB
+881%
15070
Radeon HD 6850 X2
1536
Graphics Card
Unknown
Release Date
Sep 2011
GeForce 20
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1350 MHz
Base Clock
-
1635 MHz
Boost Clock
-
2000 MHz
Memory Clock
1050 MHz
Memory
12GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
256bit
768.0GB/s
Bandwidth
134.4GB/s
Render Config
-
Compute Units
12
72
SM Count
-
4608
Shading Units
960
288
TMUs
48
96
ROPs
32
576
Tensor Cores
-
72
RT Cores
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
6 MB
L2 Cache
512 KB
Theoretical Performance
157.0 GPixel/s
Pixel Rate
25.60 GPixel/s
470.9 GTexel/s
Texture Rate
38.40 GTexel/s
30.14 TFLOPS
FP16 (half)
-
15.07 TFLOPS
FP32 (float)
1.536 TFLOPS
470.9 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
254W
600 W
Suggested PSU
600 W
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x HDMI 1.3a
1x DisplayPort 1.1
2x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
TU102
GPU Name
Barts
TU102-350-A1
GPU Variant
Barts PRO
(215-0798006)
(215-0798006)
Turing
Architecture
TeraScale 2
TSMC
Foundry
TSMC
12 nm
Process Size
40 nm
18.6 billion
Transistors
1.7 billion
754 mm²
Die Size
255 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
7.5
CUDA
-
6.8
Shader Model
5.0