Radeon HD 4850 and Radeon RX 6800 XT - video card comparison
Passmark - benchmark score Radeon HD 4850 vs Radeon RX 6800 XT
Radeon HD 4850
1057
Radeon RX 6800 XT
25787
Radeon HD 4850
Radeon RX 6800 XT
Architecture
Terascale 1 (2008−2010)
Navi / RDNA2 (2020−2022)
GPU code name
RV770
Navi 21
Market segment
Desktop
Desktop
Release date
June 2008
November 2020
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
625 MHz
1825 MHz
Floating-point performance
1,000.0 gflops
-
Manufacturing process technology
55 nm
7 nm
Number of transistors
956 million
26,800 million
Pipelines / CUDA cores
800
4608
Power consumption (TDP)
110 Watt
300 Watt
Texture fill rate
25.00
648.0
Memory type
GDDR3
GDDR6
Maximum RAM amount
512 MB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
993 MHz
16000 MHz
Memory bandwidth
63.55 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
-
+
DirectX
10.1 (10_1)
12 Ultimate (12_2)
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2