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
L20
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2520 MHz
TDP
275 W
BUS WIDTH
384 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
L20
Core Specs
Shading Units
768
11,776
+1433.3%
Shaders
768
11,776
+1433.3%
TMUs
48
368
+666.7%
ROPs
32
128
+300.0%
Compute Units
12
—
SM Count
—
92
Clocks
Base Clock
2000 MHz
1440 MHz
Boost Clock
2200 MHz
2520 MHz
Memory Clock
System Shared
2250 MHz
18 Gbps effective
Memory
Memory Size
System Shared
48 GB
VRAM (MB)
—
49,152
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
864.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
96 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
322.6 GPixel/s
Texture Rate
105.6 GTexel/s
927.4 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
59.35 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
927.4 GFLOPS (1:64)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
59.35 TFLOPS (1:1)
AI/RT
RT Cores
12
92
+666.7%
Tensor Cores
—
368
Power
TDP
50 W
275 W
TDP (W)
50
275
+450.0%
Suggested PSU
—
600 W
Power Connectors
None
1x 16-pin
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Rembrandt+
AD102
Generation
Navi II IGP
(Rembrandt Mobile)
Server Ada
(Lxx)
Process Size
6 nm
5 nm
Transistors
13,100 million
76,300 million
Die Size
208 mm²
609 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
125.3M / 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
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
4x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
Active
Active
Predecessor
Vega II IGP
Server Ampere
Successor
Navi III IGP
Server Hopper