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 Pro 455
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
—
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
680M
Pro 455
Core Specs
Shading Units
768
768
0.0%
Shaders
768
768
0.0%
TMUs
48
48
0.0%
ROPs
32
16
-50.0%
Compute Units
12
12
0.0%
Clocks
Base Clock
2000 MHz
—
Boost Clock
2200 MHz
—
GPU Clock
—
855 MHz
Memory Clock
System Shared
1270 MHz
5.1 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
81.28 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
1024 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
13.68 GPixel/s
Texture Rate
105.6 GTexel/s
41.04 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
1,313.3 GFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
82.08 GFLOPS (1:16)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
1,313.3 GFLOPS (1:1)
AI/RT
RT Cores
12
—
Power
TDP
50 W
35 W
TDP (W)
50
35
-30.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
GCN 4.0
GPU Name
Rembrandt+
Baffin
Generation
Navi II IGP
(Rembrandt Mobile)
Radeon Pro Mac
(400 Series)
Process Size
6 nm
14 nm
Transistors
13,100 million
3,000 million
Die Size
208 mm²
123 mm²
Foundry
TSMC
GlobalFoundries
Density
63.0M / mm²
24.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.3
OpenCL
2.0
2.1
Shader Model
6.8
6.7
Physical
Slot Width
IGP
MXM Module
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
—
Successor
Navi III IGP
—