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
GEFORCE
GeForce RTX 4090 Max-Q
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
1455 MHz
TDP
80 W
BUS WIDTH
256 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
680M
RTX 4090 Max-Q
Core Specs
Shading Units
768
9,728
+1166.7%
Shaders
768
9,728
+1166.7%
TMUs
48
304
+533.3%
ROPs
32
112
+250.0%
Compute Units
12
—
SM Count
—
76
Clocks
Base Clock
2000 MHz
930 MHz
Boost Clock
2200 MHz
1455 MHz
Memory Clock
System Shared
2250 MHz
18 Gbps effective
Memory
Memory Size
System Shared
16 GB
VRAM (MB)
—
16,384
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
576.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
64 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
163.0 GPixel/s
Texture Rate
105.6 GTexel/s
442.3 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
28.31 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
442.3 GFLOPS (1:64)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
28.31 TFLOPS (1:1)
AI/RT
RT Cores
12
76
+533.3%
Tensor Cores
—
304
Power
TDP
50 W
80 W
TDP (W)
50
80
+60.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Rembrandt+
AD103
Generation
Navi II IGP
(Rembrandt Mobile)
GeForce 40 Mobile
Process Size
6 nm
5 nm
Transistors
13,100 million
45,900 million
Die Size
208 mm²
379 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
121.1M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.0
3.0
CUDA
—
8.9
Shader Model
6.8
6.8
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
Active
Active
Predecessor
Vega II IGP
GeForce 30 Mobile
Successor
Navi III IGP
GeForce 50 Mobile