Radeon HD 6850 and Radeon RX 6900 XT - video card comparison
Passmark - benchmark score Radeon HD 6850 vs Radeon RX 6900 XT
Radeon HD 6850
2030
Radeon RX 6900 XT
27642
Radeon HD 6850
Radeon RX 6900 XT
Architecture
TeraScale 2 (2009−2015)
Navi / RDNA2 (2020−2022)
GPU code name
Barts
Navi 21
Market segment
Desktop
Desktop
Release date
October 2010
December 2020
Bus support
AGP
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
2x 8-pin
Boost clock speed
-
2250 MHz
Core clock speed
-
1825 MHz
Floating-point performance
1,488.0 gflops
-
Manufacturing process technology
40 nm
7 nm
Number of transistors
1,700 million
26,800 million
Pipelines / CUDA cores
960
5120
Power consumption (TDP)
127 Watt
300 Watt
Texture fill rate
37.20
720.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
16000 MHz
Memory bandwidth
128.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 2x DisplayPort, 1x USB Type-C
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_2)
Mantle
-
-
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
-
1.2
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-