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 HD 8790M
CORE STATE
Mars
VRAM
2 GB
CLOCK SPEED
900 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
680M
HD 8790M
Core Specs
Shading Units
768
384
-50.0%
Shaders
768
384
-50.0%
TMUs
48
24
-50.0%
ROPs
32
8
-75.0%
Compute Units
12
6
-50.0%
Clocks
Base Clock
2000 MHz
850 MHz
Boost Clock
2200 MHz
900 MHz
Memory Clock
System Shared
1000 MHz
4 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
64.00 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
256 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
7.200 GPixel/s
Texture Rate
105.6 GTexel/s
21.60 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
691.2 GFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
43.20 GFLOPS (1:16)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
—
AI/RT
RT Cores
12
—
Power
TDP
50 W
—
TDP (W)
50
—
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
GCN 1.0
GPU Name
Rembrandt+
Mars
Generation
Navi II IGP
(Rembrandt Mobile)
Solar System
(HD 8700M)
Process Size
6 nm
28 nm
Transistors
13,100 million
950 million
Die Size
208 mm²
77 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
12.3M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.0
2.1 (1.2)
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
MXM-A (3.0)
Other
Production
Active
End-of-life
Predecessor
Vega II IGP
London
Successor
Navi III IGP
Gem System