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
RTX 4000 SFF Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
1560 MHz
TDP
70 W
BUS WIDTH
160 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 4000 SFF Ada Generation
Core Specs
Shading Units
768
6,144
+700.0%
Shaders
768
6,144
+700.0%
TMUs
48
192
+300.0%
ROPs
32
64
+100.0%
Compute Units
12
—
SM Count
—
48
Clocks
Base Clock
2000 MHz
720 MHz
Boost Clock
2200 MHz
1560 MHz
Memory Clock
System Shared
1750 MHz
14 Gbps effective
Memory
Memory Size
System Shared
20 GB
VRAM (MB)
—
20,480
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
160 bit
Bandwidth
System Dependent
280.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
48 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
99.84 GPixel/s
Texture Rate
105.6 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
19.17 TFLOPS (1:1)
AI/RT
RT Cores
12
48
+300.0%
Tensor Cores
—
192
Power
TDP
50 W
70 W
TDP (W)
50
70
+40.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Rembrandt+
AD104
Generation
Navi II IGP
(Rembrandt Mobile)
Workstation Ada
(x000A)
Process Size
6 nm
5 nm
Transistors
13,100 million
35,800 million
Die Size
208 mm²
294 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
121.8M / 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
—
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
Active
Active
Predecessor
Vega II IGP
Workstation Ampere
Successor
Navi III IGP
Blackwell PRO W