Radeon HD 6870 and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon HD 6870 vs GeForce RTX 4090
Radeon HD 6870
2285
GeForce RTX 4090
39777
Radeon HD 6870
GeForce RTX 4090
Architecture
Terascale 2 (2009−2015)
Ada Lovelace
GPU code name
RV940 Barts
AD102-300-A1
Market segment
Desktop
Desktop
Release date
October 2010
September 2022
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 6-pin
1x 16-pin
Boost clock speed
900 MHz
2520 MHz
Core clock speed
-
2235 MHz
Floating-point performance
2,016.0 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
1,700 million
76,300 million
Pipelines / CUDA cores
1120
16384
Power consumption (TDP)
151 Watt
450 Watt
Texture fill rate
50.40
1,290
Memory type
GDDR5
GDDR6X
Maximum RAM amount
1 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
1050 MHz
21000 MHz
Memory bandwidth
134.4 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_2)
CUDA
-
8.9
Mantle
-
-
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.6
Vulkan
-
1.3
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-