Radeon HD 6870 and Radeon RX 7700 XT - video card comparison
Passmark - benchmark score Radeon HD 6870 vs Radeon RX 7700 XT
Radeon HD 6870
2285
Radeon RX 7700 XT
22912
Radeon HD 6870
Radeon RX 7700 XT
Architecture
Terascale 2 (2009−2015)
RDNA 3
GPU code name
RV940 Barts
Navi 32
Market segment
Desktop
Desktop
Release date
October 2010
August 2023
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
2x 8-pin
Boost clock speed
900 MHz
2544 MHz
Core clock speed
-
1700 MHz
Floating-point performance
2,016.0 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
1,700 million
28,100 million
Pipelines / CUDA cores
1120
3456
Power consumption (TDP)
151 Watt
245 Watt
Texture fill rate
50.40
549.5
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
1050 MHz
18000 MHz
Memory bandwidth
134.4 GB/s
432.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_2)
Mantle
-
-
OpenCL
1.2
2.2
OpenGL
4.4
4.6
Shader Model
5.0
6.7
Vulkan
-
1.3
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-