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
GPU
Arc A770M
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2050 MHz
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
680M
A770M
Core Specs
Shading Units
768
4,096
+433.3%
Shaders
768
4,096
+433.3%
TMUs
48
256
+433.3%
ROPs
32
128
+300.0%
Compute Units
12
—
Execution Units
—
512
Clocks
Base Clock
2000 MHz
1650 MHz
Boost Clock
2200 MHz
2050 MHz
Memory Clock
System Shared
2000 MHz
16 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
512.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
16 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
262.4 GPixel/s
Texture Rate
105.6 GTexel/s
524.8 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
16.79 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
—
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
33.59 TFLOPS (2:1)
AI/RT
RT Cores
12
32
+166.7%
XMX Cores
—
512
Power
TDP
50 W
120 W
TDP (W)
50
120
+140.0%
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
Xe-HPG
GPU Name
Rembrandt+
DG2-512
Generation
Navi II IGP
(Rembrandt Mobile)
Alchemist
(Arc 7 Mobile)
Process Size
6 nm
6 nm
Transistors
13,100 million
21,700 million
Die Size
208 mm²
406 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
53.4M / 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
Shader Model
6.8
6.6
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
End-of-life
Predecessor
Vega II IGP
—
Successor
Navi III IGP
—