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 RX 6600 LE
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2495 MHz
TDP
132 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
680M
RX 6600 LE
Core Specs
Shading Units
768
1,792
+133.3%
Shaders
768
1,792
+133.3%
TMUs
48
112
+133.3%
ROPs
32
64
+100.0%
Compute Units
12
28
+133.3%
Clocks
Base Clock
2000 MHz
1626 MHz
Boost Clock
2200 MHz
2495 MHz
Game Clock
—
2045 MHz
Memory Clock
System Shared
1750 MHz
14 Gbps effective
Memory
Memory Size
System Shared
8 GB
VRAM (MB)
—
8,192
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
224.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
2 MB
L3 Cache
—
32 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
70.40 GPixel/s
159.7 GPixel/s
Texture Rate
105.6 GTexel/s
279.4 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
8.942 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
558.9 GFLOPS (1:16)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
17.88 TFLOPS (2:1)
AI/RT
RT Cores
12
28
+133.3%
Power
TDP
50 W
132 W
TDP (W)
50
132
+164.0%
Suggested PSU
—
300 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 2.0
GPU Name
Rembrandt+
Navi 23
Generation
Navi II IGP
(Rembrandt Mobile)
Navi II
(RX 6000)
Process Size
6 nm
7 nm
Transistors
13,100 million
11,060 million
Die Size
208 mm²
237 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
46.7M / 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
2.1
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
190 mm
7.5 inches
Height
—
110 mm
4.3 inches
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x8
Other
Production
Active
Active
Predecessor
Vega II IGP
Navi
Successor
Navi III IGP
Navi III