Radeon HD 6850 and GeForce RTX 3090 - video card comparison
Passmark - benchmark score Radeon HD 6850 vs GeForce RTX 3090
Radeon HD 6850
2030
GeForce RTX 3090
27597
Radeon HD 6850
GeForce RTX 3090
Architecture
TeraScale 2 (2009−2015)
Ampere (2020−2022)
GPU code name
Barts
Ampere GA102
Market segment
Desktop
Desktop
Release date
October 2010
September 2020
Bus support
AGP
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
1x 12-pin
Boost clock speed
-
1700 MHz
Core clock speed
-
1400 MHz
Floating-point performance
1,488.0 gflops
-
Manufacturing process technology
40 nm
8 nm
Number of transistors
1,700 million
28,300 million
Pipelines / CUDA cores
960
10496
Power consumption (TDP)
127 Watt
350 Watt
Texture fill rate
37.20
556.0
Memory type
GDDR5
GDDR6X
Maximum RAM amount
1 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
-
19500 MHz
Memory bandwidth
128.0 GB/s
936.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_2)
CUDA
-
8.5
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
-
1.2
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-