Radeon HD 7870 XT and Radeon RX 6800 XT - video card comparison
Passmark - benchmark score Radeon HD 7870 XT vs Radeon RX 6800 XT
Radeon HD 7870 XT
4603
Radeon RX 6800 XT
25787
Radeon HD 7870 XT
Radeon RX 6800 XT
Architecture
GCN 1.0 (2012−2020)
Navi / RDNA2 (2020−2022)
GPU code name
Tahiti
Navi 21
Market segment
Desktop
Desktop
Release date
November 2012
November 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
2x 8-pin
Boost clock speed
975 MHz
2250 MHz
Core clock speed
925 MHz
1825 MHz
Floating-point performance
2,995 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
4,313 million
26,800 million
Pipelines / CUDA cores
1536
4608
Power consumption (TDP)
185 Watt
300 Watt
Texture fill rate
93.60
648.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
6000 MHz
16000 MHz
Memory bandwidth
192.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
+
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2