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 W6800X Duo
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
1967 MHz
TDP
400 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
680M
Pro W6800X Duo
Core Specs
Shading Units
768
3,840
+400.0%
Shaders
768
3,840
+400.0%
TMUs
48
240
+400.0%
ROPs
32
96
+200.0%
Compute Units
12
60
+400.0%
Clocks
Base Clock
2000 MHz
1800 MHz
Boost Clock
2200 MHz
1967 MHz
Memory Clock
System Shared
2000 MHz
16 Gbps effective
Memory
Memory Size
System Shared
32 GB
VRAM (MB)
—
32,768
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
128 KB per Array
L2 Cache
2 MB
4 MB
L3 Cache
—
128 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
70.40 GPixel/s
188.8 GPixel/s
Texture Rate
105.6 GTexel/s
472.1 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
15.11 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
944.2 GFLOPS (1:16)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
30.21 TFLOPS (2:1)
AI/RT
RT Cores
12
60
+400.0%
Power
TDP
50 W
400 W
TDP (W)
50
400
+700.0%
Suggested PSU
—
800 W
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
RDNA 2.0
GPU Name
Rembrandt+
Navi 21
Generation
Navi II IGP
(Rembrandt Mobile)
Radeon Pro Mac
(Navi II Series)
Process Size
6 nm
7 nm
Transistors
13,100 million
26,800 million
Die Size
208 mm²
520 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
51.5M / 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
Quad-slot
Length
—
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
Portable Device Dependent
1x HDMI 2.14x Thunderbolt
Bus Interface
PCIe 4.0 x8
Apple MPX
Other
Launch Price
—
4,999 USD
Production
Active
End-of-life
Predecessor
Vega II IGP
—
Successor
Navi III IGP
—