AMD Radeon 680M vs AMD Radeon HD 6870 1600SP Edition
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2013
Generation
Navi II IGP
Northern Islands
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
2000 MHz
-
Boost Clock
2200 MHz
-
Memory Clock
System Shared
1050 MHz
Memory
Memory Size
System Shared
1024MB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
134.4GB/s
Render Config
Compute Units
12
20
Shading Units
768
1600
TMUs
48
80
ROPs
32
32
RT Cores
12
-
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
70.40 GPixel/s
27.20 GPixel/s
Texture Rate
105.6 GTexel/s
68.00 GTexel/s
FP16 (half)
6.758 TFLOPS
-
FP32 (float)
3.379 TFLOPS
2.720 TFLOPS
FP64 (double)
211.2 GFLOPS
544.0 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Cypress
Architecture
RDNA 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
6 nm
40 nm
Transistors
13.1 billion
2.154 billion
Die Size
208 mm²
334 mm²
GPU Variant
-
Cypress XT(215-0735033)
Board Design
TDP
50W
175W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.0
1.2
Vulkan
1.3
N/A
Shader Model
6.7
5.0