Radeon HD 7850 and Radeon HD 8970M - video card comparison
Passmark - benchmark score Radeon HD 7850 vs Radeon HD 8970M
Radeon HD 7850
3976
Radeon HD 8970M
3992
Radeon HD 7850
Radeon HD 8970M
Architecture
GCN 1.0 (2012−2020)
GCN (2011−2017)
GPU code name
Pitcairn
Neptune
Market segment
Desktop
Laptop
Release date
March 2012
May 2013
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1000 MHz
900 MHz
Core clock speed
-
850 MHz
Floating-point performance
1,761 gflops
2,304 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
2,800 million
Pipelines / CUDA cores
1024
1280
Power consumption (TDP)
130 Watt
100 Watt
Texture fill rate
55.04
72.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MHz
4800 MHz
Memory bandwidth
153.6 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
12
12 (11_1)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
1.2.131
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-