GPU Comparison
RADEON
AMD Radeon 660M
CORE STATE
Rembrandt
VRAM
System Shared
CLOCK SPEED
1900 MHz
TDP
40 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
VS
RADEON
Radeon RX 9070 GRE
CORE STATE
Navi 48
VRAM
12 GB
CLOCK SPEED
2790 MHz
TDP
220 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 4.0
PROCESS
4 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
RX 9070 GRE
Core Specs
Shading Units
384
3,072
+700.0%
Shaders
384
3,072
+700.0%
TMUs
24
192
+700.0%
ROPs
16
96
+500.0%
Compute Units
6
48
+700.0%
Clocks
Base Clock
1500 MHz
1420 MHz
Boost Clock
1900 MHz
2790 MHz
Game Clock
—
2220 MHz
Memory Clock
System Shared
2250 MHz
18 Gbps effective
Memory
Memory Size
System Shared
12 GB
VRAM (MB)
—
12,288
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
192 bit
Bandwidth
System Dependent
432.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
8 MB
L3 Cache
—
48 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
267.8 GPixel/s
Texture Rate
45.60 GTexel/s
535.7 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
34.28 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
1,071.4 GFLOPS (1:32)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
68.57 TFLOPS (2:1)
AI/RT
RT Cores
6
48
+700.0%
Matrix Cores
—
96
Power
TDP
40 W
220 W
TDP (W)
40
220
+450.0%
Suggested PSU
—
550 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 4.0
GPU Name
Rembrandt
Navi 48
Generation
Navi II IGP
(Rembrandt Mobile)
Navi IV
(RX 9000)
Process Size
6 nm
4 nm
Transistors
13,100 million
53,900 million
Die Size
208 mm²
357 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
151.0M / 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
2.2
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Dual-slot
Outputs
Portable Device Dependent
1x HDMI 2.1b3x DisplayPort 2.1a
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Other
Production
End-of-life
Active
Predecessor
Vega II IGP
Navi III
Successor
Navi III IGP
—