AMD Radeon 680M vs AMD Radeon R9 270
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Nov 2013
Generation
Navi II IGP
Volcanic Islands
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
2000 MHz
900 MHz
Boost Clock
2200 MHz
925 MHz
Memory Clock
System Shared
1400 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
179.2GB/s
Render Config
Compute Units
12
20
Shading Units
768
1280
TMUs
48
80
ROPs
32
32
RT Cores
12
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
70.40 GPixel/s
29.60 GPixel/s
Texture Rate
105.6 GTexel/s
74.00 GTexel/s
FP16 (half)
6.758 TFLOPS
-
FP32 (float)
3.379 TFLOPS
2.368 TFLOPS
FP64 (double)
211.2 GFLOPS
148.0 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Curacao
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
13.1 billion
2.8 billion
Die Size
208 mm²
212 mm²
GPU Variant
-
Curacao PRO(215-0848000)
Board Design
TDP
50W
150W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.0
1.2
Vulkan
1.3
1.2
Shader Model
6.7
5.1
📊 Benchmark
3DMark Time Spy
-
1,603