Radeon HD 7850 and Radeon RX 7950 XTX - video card comparison
Radeon HD 7850
Radeon RX 7950 XTX
Architecture
GCN 1.0 (2012−2020)
RDNA 3.0 (2022)
GPU code name
Pitcairn
Navi 31
Market segment
Desktop
Desktop
Release date
March 2012
-
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
2x 8-pin
Boost clock speed
1000 MHz
3300 MHz
Floating-point performance
1,761 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
2,800 million
57,700 million
Pipelines / CUDA cores
1024
6144
Power consumption (TDP)
130 Watt
355 Watt
Texture fill rate
55.04
1,267
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 GB
24 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
1200 MHz
20 GB/s
Memory bandwidth
153.6 GB/s
960.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
12
12 Ultimate (12_2)
Mantle
-
-
OpenCL
1.2
2.2
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
+
1.3
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-