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 7900M
CORE STATE
Navi 31
VRAM
16 GB
CLOCK SPEED
2090 MHz
TDP
180 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
680M
RX 7900M
Core Specs
Shading Units
768
4,608
+500.0%
Shaders
768
4,608
+500.0%
TMUs
48
288
+500.0%
ROPs
32
192
+500.0%
Compute Units
12
72
+500.0%
Clocks
Base Clock
2000 MHz
1825 MHz
Boost Clock
2200 MHz
2090 MHz
Memory Clock
System Shared
2250 MHz
18 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
576.0 GB/s
Cache
L1 Cache
128 KB per Array
256 KB per Array
L2 Cache
2 MB
6 MB
L3 Cache
—
64 MB
L0 Cache
32 KB per WGP
64 KB per WGP
Performance
Pixel Rate
70.40 GPixel/s
401.3 GPixel/s
Texture Rate
105.6 GTexel/s
601.9 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
38.52 TFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
1,203.8 GFLOPS (1:32)
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
77.05 TFLOPS (2:1)
AI/RT
RT Cores
12
72
+500.0%
Power
TDP
50 W
180 W
TDP (W)
50
180
+260.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
RDNA 3.0
GPU Name
Rembrandt+
Navi 31
Codename
—
Plum Bonito
Generation
Navi II IGP
(Rembrandt Mobile)
Navi Mobile
(RX 7000M)
Process Size
6 nm
5 nm
Transistors
13,100 million
57,700 million
Die Size
208 mm²
529 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
109.1M / mm²
AMD MCM
GCD Transistors
—
45,400 million
GCD Die Size
—
304.35 mm²
MCD Transistors
—
2,050 million x6
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.0
2.2
Shader Model
6.8
6.8
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
Active
Predecessor
Vega II IGP
Polaris Mobile
Successor
Navi III IGP
—