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 R9 370X
CORE STATE
Trinidad
VRAM
2 GB
CLOCK SPEED
1030 MHz
TDP
180 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
R9 370X
Core Specs
Shading Units
384
1,280
+233.3%
Shaders
384
1,280
+233.3%
TMUs
24
80
+233.3%
ROPs
16
32
+100.0%
Compute Units
6
24
+300.0%
Clocks
Base Clock
1500 MHz
980 MHz
Boost Clock
1900 MHz
1030 MHz
Memory Clock
System Shared
1400 MHz
5.6 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
179.2 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
512 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
32.96 GPixel/s
Texture Rate
45.60 GTexel/s
82.40 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
2.637 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
164.8 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
—
AI/RT
RT Cores
6
—
Power
TDP
40 W
180 W
TDP (W)
40
180
+350.0%
Suggested PSU
—
450 W
Power Connectors
None
2x 6-pin
Architecture
Architecture
RDNA 2.0
GCN 1.0
GPU Name
Rembrandt
Trinidad
Generation
Navi II IGP
(Rembrandt Mobile)
Pirate Islands
(R9 300)
Process Size
6 nm
28 nm
Transistors
13,100 million
2,800 million
Die Size
208 mm²
212 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
13.2M / 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
Dual-slot
Length
—
221 mm
8.7 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Other
Launch Price
—
199 USD
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Volcanic Islands
Successor
Navi III IGP
Arctic Islands