GPU Comparison

AMD
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
nm
PROCESS 6 nm
LAUNCH DATE 2022
VS
AMD
RADEON

Radeon HD 7790

CORE STATE Bonaire
VRAM 1024 MB
CLOCK SPEED
TDP 85 W
BUS WIDTH 128 bit
ARCHITECTURE GCN 2.0
nm
PROCESS 28 nm
LAUNCH DATE 2013

PERFORMANCE BENCHMARKS

geekbench_opencl
12,876
N/A
geekbench_vulkan
14,748
N/A
geekbench_metal
N/A
17,666

DETAILED SPECIFICATIONS

SPECIFICATION
660M
HD 7790
Core Specs
Shading Units
384
896 +133.3%
Shaders
384
896 +133.3%
TMUs
24
56 +133.3%
ROPs
16
16 0.0%
Compute Units
6
14 +133.3%
Clocks
Base Clock
1500 MHz
Boost Clock
1900 MHz
GPU Clock
1000 MHz
Memory Clock
System Shared
1500 MHz 6 Gbps effective
Memory
Memory Size
System Shared
1024 MB
VRAM (MB)
1,024
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
96.00 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
256 KB
L0 Cache
32 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
16.00 GPixel/s
Texture Rate
45.60 GTexel/s
56.00 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
1.792 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
112.0 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
AI/RT
RT Cores
6
Power
TDP
40 W
85 W
TDP (W)
40
85 +112.5%
Suggested PSU
250 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
RDNA 2.0
GCN 2.0
GPU Name
Rembrandt
Bonaire
Generation
Navi II IGP (Rembrandt Mobile)
Southern Islands (HD 7700)
Process Size
6 nm
28 nm
Transistors
13,100 million
2,080 million
Die Size
208 mm²
160 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
13.0M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.0
2.1
Shader Model
6.8
6.5
Physical
Slot Width
IGP
Dual-slot
Length
183 mm 7.2 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Other
Launch Price
149 USD
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Northern Islands
Successor
Navi III IGP
Sea Islands
View Radeon 660M Details View Radeon HD 7790 Details