GPU Comparison
RADEON
AMD Radeon 680M
CORE STATE
Rembrandt+
VRAM
System Shared
CLOCK SPEED
2200 MHz
TDP
50 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2023
VS
RADEON
Radeon R7 M440
CORE STATE
Meso
VRAM
4 GB
CLOCK SPEED
—
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
680M
R7 M440
Core Specs
Shading Units
768
320
-58.3%
Shaders
768
320
-58.3%
TMUs
48
20
-58.3%
ROPs
32
8
-75.0%
Compute Units
12
5
-58.3%
Clocks
Base Clock
2000 MHz
—
Boost Clock
2200 MHz
—
GPU Clock
—
891 MHz
Memory Clock
System Shared
900 MHz
1800 Mbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
DDR3
Memory Bus
System Shared
64 bit
Bandwidth
System Dependent
14.40 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
128 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
7.128 GPixel/s
Texture Rate
105.6 GTexel/s
17.82 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
570.2 GFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
35.64 GFLOPS (1:16)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
570.2 GFLOPS (1:1)
AI/RT
RT Cores
12
—
Power
TDP
50 W
—
TDP (W)
50
—
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
GCN 3.0
GPU Name
Rembrandt+
Meso
Generation
Navi II IGP
(Rembrandt Mobile)
Gem System
(R7 M400)
Process Size
6 nm
28 nm
Transistors
13,100 million
1,550 million
Die Size
208 mm²
125 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
12.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.0
2.1
Shader Model
6.8
6.5
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x8
Other
Production
Active
End-of-life
Predecessor
Vega II IGP
Solar System
Successor
Navi III IGP
Polaris Mobile