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Radeon HD 6770M and Radeon 680M - video card comparison


Passmark - benchmark score Radeon HD 6770M vs Radeon 680M

Radeon HD 6770M
993
Radeon 680M
6351

Radeon HD 6770M

Radeon 680M


Architecture
Terascale 2 (2009−2015)
RDNA 2 (2020−2022)

GPU code name
Whistler-XT
RDNA 2 Rembrandt

Market segment
Laptop
Laptop

Release date
January 2011
January 2022

Interface
MXM-A (3.0)
PCIe 4.0 x8

Supplementary power connectors
-
None

Boost clock speed
-
2400 MHz

Core clock speed
675 / 725 MHz
-

Floating-point performance
696.0 gflops
-

Manufacturing process technology
40 nm
6 nm

Number of transistors
716 million
13,100 million

Pipelines / CUDA cores
480
768

Power consumption (TDP)
35 Watt
45 Watt

Texture fill rate
17.40
115.2

Memory type
GDDR5
System Shared

Maximum RAM amount
1 GB
System Shared

Memory bus width
128 Bit
System Shared

Memory clock speed
800 MHz
System Shared

Memory bandwidth
57.6 GB/s
-

Shared memory
-
-

Display Connectors
No outputs
No outputs

DirectX
11.2 (11_0)
12 (12_1)

OpenCL
1.2
2.0

OpenGL
4.4
4.6

Shader Model
5.0
6.5

Vulkan
N/A
1.2