Radeon R9 280 and Radeon HD 6770M - video card comparison
Passmark - benchmark score Radeon R9 280 vs Radeon HD 6770M
Radeon R9 280
5725
Radeon HD 6770M
993
Radeon R9 280
Radeon HD 6770M
Architecture
GCN 1.0 (2012−2020)
Terascale 2 (2009−2015)
GPU code name
Tahiti
Whistler-XT
Market segment
Desktop
Laptop
Release date
March 2014
January 2011
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
MXM-A (3.0)
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
-
Boost clock speed
933 MHz
-
Core clock speed
-
675 / 725 MHz
Floating-point performance
3,344 gflops
696.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
4,313 million
716 million
Pipelines / CUDA cores
1792
480
Power consumption (TDP)
200 Watt
35 Watt
Texture fill rate
104.5
17.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
1 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1250 MHz
800 MHz
Memory bandwidth
240 GB/s
57.6 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-