AMD Radeon 660M vs AMD Radeon R7 350 640SP
We compared a Integrated graphics card GPU: 0System Shared VRAM Radeon 660M and a Desktop platform GPU: 2GB VRAM Radeon R7 350 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon 660M 's Advantages
Released 3 years late
Boost Clock1900MHz
Lower TDP (15W vs 55W)
AMD Radeon R7 350 640SP 's Advantages
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 660M
+23%
1.459 TFLOPS
Radeon R7 350 640SP
1.184 TFLOPS
Graphics Card
Jan 2022
Release Date
Jan 2019
Rembrandt
Generation
Pirate Islands
Integrated
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1500 MHz
Base Clock
-
1900 MHz
Boost Clock
-
System Shared
Memory Clock
1125 MHz
Memory
System Shared
Memory Size
2GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
128bit
System Dependent
Bandwidth
72.00GB/s
Render Config
6
Compute Units
10
-
-
-
384
Shading Units
640
24
TMUs
40
16
ROPs
16
-
-
-
6
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
30.40 GPixel/s
Pixel Rate
14.80 GPixel/s
45.60 GTexel/s
Texture Rate
37.00 GTexel/s
2.918 TFLOPS
FP16 (half)
-
1459 GFLOPS
FP32 (float)
1184 GFLOPS
91.20 GFLOPS
FP64 (double)
74.00 GFLOPS
Board Design
15W
TDP
55W
-
Suggested PSU
250 W
No outputs
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
None
Graphics Processor
Rembrandt
GPU Name
Cape Verde
-
GPU Variant
Cape Verde XT
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
13.1 billion
Transistors
1.5 billion
210 mm²
Die Size
123 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.5
Shader Model
5.1
